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Education
| Tue 14 Apr 2026
Beijing, April 15 -- State Intellectual Property Office of China has awarded a patent to Ningbo Tiantian Stationery for Intelligent Pencil Sharpener. You Jingcheng, Chen Jianwang, Cao Feng, Xu Hao, Jiang Wei, Wang Yuelong and Guan Minxian developed the invention.
The patent application number is CN202422917126U 20241127. The ..
Education
| Tue 14 Apr 2026
Beijing, April 15 -- State Intellectual Property Office of China has awarded a patent to Wenzhou Tianjiao Pen Industrial for Pen with Automatic Refill Stretching and Retracting Function. Han Aiguo and Guo Ligeng developed the invention.
The patent application number is CN20242373176U 20241212. The patent publication number is..
Education
| Wed 15 Apr 2026
Beijing, April 15 -- Deli Group has been awarded a patent for Lifting Writing Board. This invention was developed by Xing Hailong.
The patent application number is CN202422579693U 20241024. The patent publication number is CN223473369 (U). International Patent Classification codes are A47B97/04 and B43L1/00.
State Intelle..
Education
| Wed 15 Apr 2026
Beijing, April 15 -- Guangdong Yinglun Education Invest Co Ltd has obtained a patent for outdoor teaching aid. This invention was developed by Yuan Jiawei.
The patent application number is CN202421619219U 20240709. The patent publication number is CN223473368 (U). International Patent Classification codes are A47B97/04 and B4..
Education
| Wed 15 Apr 2026
Beijing, April 15 -- State Intellectual Property Office of China has awarded a patent to Hefei Changan Office Furniture Mfg Co Ltd for Partitioned Storage Cabinet for Students. Qu Zifa, You Yuan, Yu Yuan, Yang Siqing and Wang Yaobing developed the invention.
The patent application number is CN202422667918U 20241104. The paten..
Education
| Tue 14 Apr 2026
Beijing, April 14 -- Shanghai RFID Intelligent Digital Technology and Capital Library Of China have secured a patent on Movable Book Borrowing and Returning Device. Mao Yajun, Xie Peng, Liu Chang, Wu Leilei, Sun Xiaolin, Yuan Feiyue, He Ze, Liu Wei, Shen Su and Zhang Yao developed the invention.
The patent application number ..
Education
| Tue 14 Apr 2026
Beijing, April 15 -- State Intellectual Property Office of China has awarded a patent to Beijing Guotu Innovation Cultural Relics Protection Tech Co Ltd for Book Frame for Book Deacidification and Book Deacidification Equipment. Zhang Lichao, Xing Chao and Du Songhe developed the invention.
The patent application number is CN..
Education
| Tue 14 Apr 2026
Beijing, April 15 -- Wang Zhuangyi has been granted a patent for Blackboard Eraser.
The patent application number is CN202422679615U 20241104. The patent publication number is CN223478636 (U). International Patent Classification code is B43L21/00. Cooperative Patent Classification code is Y02A50/2351 (EP).
The abstract re..
Education
| Tue 14 Apr 2026
Geneva, April 14 -- Masson AI LLC has submitted a patent application for Autonomous Education System and Method. This invention was developed by Masson Kyle.
The patent application number is WO2025US47965 20250925. The patent publication number is WO2026075877 (A1). International Patent Classification codes are G06N20/00, G06..
Education
| Mon 13 Apr 2026
Beijing, April 14 -- Ningbo Tiantian Stationery has secured a patent on Pencil Feeding Mechanism and Intelligent Pencil Sharpener Thereof. Chen Jianwang, Cao Feng, Jiang Wei and Wang Yuelong developed the invention.
The patent application number is CN202422912356U 20241127. The patent publication number is CN223466932 (U). In..
Education
| Mon 13 Apr 2026
Beijing, April 14 -- Jiangsu Dawan Information Tech Co Ltd has obtained a patent for rotatable teaching board. This invention was developed by Yang Zhiqiang and Wang Saifeng.
The patent application number is CN202422600549U 20241028. The patent publication number is CN223466929 (U). International Patent Classification codes a..
Education
| Mon 13 Apr 2026
Beijing, April 14 -- Wuhan Future Digital Ind Co Ltd has been awarded a patent for Intelligent Marking Pen for Drawing Explanation. This invention was developed by Zheng Kaifeng, Deng Dexiang, Zheng Shumin, Fu Nan, Gao Hua, Wu Chengxia, Chen Hao and Li Miao.
The patent application number is CN202422574813U 20241024. The paten..
Education
| Mon 13 Apr 2026
Beijing, April 14 -- Ningbo Huafeng Stationery Co Ltd has received a patent for Direct Liquid Type Pen. This invention was developed by Li Yanjin.
The patent application number is CN20242343765U 20241210. The patent publication number is CN223466927 (U). International Patent Classification codes are B43K8/03 and B43K8/04.
..
Education
| Tue 14 Apr 2026
Beijing, April 14 -- Jinan Bee Writing Instr Co Ltd has been granted a patent for Cutting Equipment for Pencil Production. Xi Xiangjia developed the invention.
The patent application number is CN202422944466U 20241129. The patent publication number is CN223466409 (U). International Patent Classification codes are B26D7/00 and..
Education
| Tue 14 Apr 2026
Beijing, April 14 -- Guangzhou Yingwei Book Co Ltd has received a patent for Electronic Sounding Book with Replaceable Pages. This invention was developed by Gu Baisheng.
The patent application number is CN202422270861U 20240914. The patent publication number is CN223471356 (U). International Patent Classification code is G09..
Education
| Mon 13 Apr 2026
Alexandria, April 13 -- Vo Uzra has sought patent for Two-way Viewing Storybook System and Method.
The patent application number is US202519353052 20251008. The patent publication number is US20260097604 (A1). International Patent Classification code is B42D1/00. Cooperative Patent Classification code is B42D1/00 (US).
A..
Education
| Sun 12 Apr 2026
Alexandria, April 13 -- Wang Nicholas X has submitted a patent application for Intuitive Graph Guided Question-answer for Interactive Education Experiences.
The patent application number is US202418831236 20241004. The patent publication number is US20260100142 (A1). International Patent Classification codes are G06N20/00 an..
Education
| Sun 12 Apr 2026
Beijing, April 13 -- State Intellectual Property Office of China has awarded a patent to Hu Chengshuo for Adjustable Display Drawing Board for Art Education. Hu Chengshuo, Shi Aobo, Wang Yinan, Yuan Zhangchi, Liu Xutong, Zhang Yu, Cao Qierui and Sun Jingwen developed the invention.
The patent application number is CN202422898..
Education
| Sun 12 Apr 2026
Beijing, April 13 -- State Intellectual Property Office of China has awarded a patent to Zhejiang Yizheng Stationery for Pressing Eraser. Xu Liangzhi developed the invention.
The patent application number is CN202520140309U 20250121. The patent publication number is CN223456712 (U). International Patent Classification code is..
Education
| Sun 12 Apr 2026
Beijing, April 13 -- Tonglu Mengzhe Pen Co Ltd has secured a patent on Novel Multicolor Pen. Li Weifeng developed the invention.
The patent application number is CN20242303970U 20241205. The patent publication number is CN223456709 (U). International Patent Classification codes are B43K24/03 and B43K27/08.
The abstract re..
Education
| Sun 12 Apr 2026
Beijing, April 13 -- Jining Beihu Provincial Level Tourism Resort Hantang Calligraphy and Painting Art Studio has secured a patent on Pencil Writing Extender with Posture Correcting Function. Zhou Yasheng, Zhou Zongyao and Zhou Zongjing developed the invention.
The patent application number is CN202520180475U 20250205. The pa..
Education
| Sun 12 Apr 2026
Beijing, April 13 -- Qingdao Dianshi Stationery has received a patent for Support Type Writing Stationery. This invention was developed by Wang Yuanhong, Wang Yuancheng, Xu Hongge and Yin Guangming.
The patent application number is CN202422895457U 20241126. The patent publication number is CN223456707 (U). International Paten..
Education
| Sun 12 Apr 2026
Beijing, April 13 -- Wenzhou Lisheng Stationery has been granted a patent for Water Storage Device of Soft-head Drawing Pen. Zhu Yuanman developed the invention.
The patent application number is CN20242318414U 20241206. The patent publication number is CN223456706 (U). International Patent Classification code is B43K8/03.
..
Education
| Mon 13 Apr 2026
Beijing, April 13 -- Anhui University of Chinese Medicine has been granted a patent for Education Display Rack Device for News Transmission. This invention was developed by Li Tong, Zhou Jingting, Dai Liang, Liu Xuemin, Tang Jiaqi, Zhang Weizhe, Fan Haoran, Zhou Zhaoting, Dong Ran, Wang Keqi, Ye Xinzhu, Zhu Wenfang and Ying Mufe..
Education
| Mon 13 Apr 2026
Beijing, April 13 -- Zheng Kaiyan has been awarded a patent for Combined Teaching Aid for Exploring Distribution Characteristics and Principles of Ohmmeter Resistor Scale Marks. This invention was developed by Zheng Kaiyan and Wei Wei.
The patent application number is CN202422957376U 20241202. The patent publication number is..
Education
| Mon 13 Apr 2026
Beijing, April 13 -- State Intellectual Property Office of China has awarded a patent to Yang Jiatong for Bernoulli Principle Visual Demonstration Teaching Aid.
The patent application number is CN202422922228U 20241127. The patent publication number is CN223450482 (U). International Patent Classification code is G09B23/12.
..
Education
| Mon 13 Apr 2026
Beijing, April 13 -- State Intellectual Property Office of China has awarded a patent to Chongqing Science and Tech Museum for Centrifugal Water Polo Demonstration Device. Wang Xu, Zhang Xiaoxiao, Cai Weiting, Liu Jiaqi, Jiang Yunyan, Li Zhuoyuan, Li Zhihao, Liu Hao, Xu Xiaoping, Wei Ran, Tan Mingyuan and Zhang Ruiqi developed t..
Education
| Mon 13 Apr 2026
Beijing, April 13 -- Qinghai Vocational and Technical Univ has obtained a patent for portable tourism management teaching demonstration board. This invention was developed by Liu Yimin, Cui Yun, Chen Xiangyun, Meng Shan, Xie Yaping and Zhao Lixin.
The patent application number is CN202422548801U 20241022. The patent publicati..
Education
| Mon 13 Apr 2026
Beijing, April 13 -- Hebei Huafa Education Tech Corp Ltd has obtained a patent for side edge pull-out type intelligent blackboard. This invention was developed by Jiang Chao, Song Hui, Qu Dongming and Liu Jianping.
The patent application number is CN202422770215U 20241114. The patent publication number is CN223450468 (U). Int..
Education
| Mon 13 Apr 2026
Beijing, April 13 -- Huaibei Normal University has received a patent for Array Sorting Teaching Aid for Program Design Class Courses. This invention was developed by Li Jinfeng, Shan Wei and Dong Xuan.
The patent application number is CN202422849460U 20241120. The patent publication number is CN223450467 (U). International Pa..
Education
| Sun 12 Apr 2026
Alexandria, April 13 -- U.S. Patent and Trademark Office has published Daelim System Co Ltd patent application for Electronic Whiteboard with Improved Writing Recognition Performance. The invention was developed by Lee Jun Seok, Lee Jung Eun and Chang Soon Boo.
The patent application number is US202519087016 20250321. The pat..
Education
| Fri 10 Apr 2026
Beijing, April 10 -- State Intellectual Property Office of China has awarded a patent to Rocket Force University of Engineering PLA for Electrical and Electronic Experiment Teaching Platform. Yan Sihai, Yang Weijun, Yao Peng, Hao Huan, Li Jianhong and Chen Shan developed the invention.
The patent application number is CN20242..
Education
| Fri 10 Apr 2026
Beijing, April 10 -- Chinese Patent for Friction Force Demonstration Teaching Aid for Physical Experiment has been issued to Nanchang Institute of Science and Technology. This invention was developed by Meng Ruiying, Bao An and Gao Jiali.
The patent application number is CN202422479313U 20241014. The patent publication number..
Education
| Fri 10 Apr 2026
Beijing, April 10 -- Henan College of Industry & Information Technology has obtained a patent for demonstration device for mathematics. This invention was developed by Huang Shaodong, Zhi Fubiao, Yang Qianqian, Li Jiacheng, Liang Nana and Yuan Xueya.
The patent application number is CN202422698798U 20241105. The patent public..
Education
| Fri 10 Apr 2026
Beijing, April 10 -- Inner Mongolia University for Nationalities has been granted a patent for Interactive Teaching Device. This invention was developed by Gu Shihua.
The patent application number is CN202422928569U 20241129. The patent publication number is CN223436272 (U). International Patent Classification code is G09B19/..
Education
| Fri 10 Apr 2026
Beijing, April 10 -- Ningbo Deli Tools has received a patent for Laser Pen with Pen Point Storage Bin. This invention was developed by Wang Cheng.
The patent application number is CN202422860274U 20241122. The patent publication number is CN223436234 (U). International Patent Classification code is G06F3/0354.
State Intel..
Education
| Thu 09 Apr 2026
Geneva, April 10 -- Mitsubishi Electric has sought patent for Education Assistance Device and Education Assistance Method. This invention was developed by Fukutaka Shinsaku, Shibata Hiroyoshi and Ishiguro Rio.
The patent application number is WO2025JP02124 20250124. The patent publication number is WO2026069736 (A1). Internat..
Education
| Mon 13 Apr 2026
Beijing, April 13 -- Guangdong Laiboshi Education Equipment Co Ltd has been granted a patent for Integrated Teaching Demonstration Platform. This invention was developed by Shi Jiyuan.
The patent application number is CN202421440766U 20240624. The patent publication number is CN223452947 (U). International Patent Classificati..
Education
| Mon 13 Apr 2026
Beijing, April 13 -- Wu Yingxuan has been granted a patent for Dual-purpose Stationery of Pen Container and Pen Box.
The patent application number is CN20242258050U 20240823. The patent publication number is CN223452905 (U). International Patent Classification codes are A45C11/34, A45C9/00 and B43M99/00.
According to the..
Education
| Fri 10 Apr 2026
Beijing, April 10 -- Ningbo University has been awarded a patent for Computer-aided Teaching Equipment. This invention was developed by Zhang Jiaxue and Dai Hongzhu.
The patent application number is CN202422762737U 20241113. The patent publication number is CN223434988 (U). International Patent Classification codes are F16M11..
Education
| Fri 10 Apr 2026
Munich, April 11 -- Mitsubishi Pencil has applied European patent for Aqueous Ink Composition for Writing Implement and Writing Implement Using Same. Ichinose Akane and Nakata Yusuke developed it.
The patent application number is EP20240811134 20240522. The patent publication number is EP4722304 (A1). International Patent Cla..
Education
| Fri 10 Apr 2026
Beijing, April 11 -- Lishui Hongdu Stationery Co Ltd has been granted a patent for Testing Device for Water Color Pen Production. Huang Kexiang developed the invention.
The patent application number is CN20242361427U 20241212. The patent publication number is CN223449516 (U). International Patent Classification code is G01M99..
Education
| Sat 11 Apr 2026
Beijing, April 11 -- Yiwu Dingbang Stationery & Sporting Goods Co Ltd has secured a patent on Three-wheel Pencil Feeding Mechanism of Pencil Sharpener. Chen Weicheng developed the invention.
The patent application number is CN202422622589U 20241029. The patent publication number is CN223443181 (U). International Patent Classi..
Education
| Sat 11 Apr 2026
Beijing, April 11 -- Lianyungang Xiaoniu Electronic Tech Co Ltd has been awarded a patent for High-definition Intelligent Blackboard. This invention was developed by Feng Wanchang, Zhou Guangyong and Zhang Jian.
The patent application number is CN202422768061U 20241113. The patent publication number is CN223443177 (U). Intern..
Education
| Sat 11 Apr 2026
Beijing, April 11 -- Chinese Patent for Durable Double-end Water Color Pen has been issued to Lishui Hongdu Stationery Co Ltd. This invention was developed by Huang Kexiang.
The patent application number is CN202422977040U 20241204. The patent publication number is CN223443176 (U). International Patent Classification codes ar..
Education
| Sat 11 Apr 2026
Beijing, April 11 -- Central China Normal University has secured a patent on Writing Brush Cleaning Device for Traditional Chinese Painting with Efficient Cleaning Function. Han Siran developed the invention.
The patent application number is CN202422480929U 20241014. The patent publication number is CN223443175 (U). Internati..
Education
| Fri 10 Apr 2026
Geneva, April 10 -- Gachisoft Co Ltd has sought patent for Digital Teaching Method and Device Thereof. This invention was developed by Kim Ho Yon.
The patent application number is WO2025KR95485 20250819. The patent publication number is WO2026071857 (A1). International Patent Classification codes are B25J13/08, B25J19/02, B25..
Education
| Thu 09 Apr 2026
Geneva, April 10 -- World Intellectual Property Organization has released Bezalel Acad Of Arts and Design Jerusalem patent application for Computerized Systems and Methods for Generating Personalized Competency-based Education Scheme. This invention was developed by Pollak Uri, Laniado Itay and Fried Eyal.
The patent applicat..
Education
| Fri 10 Apr 2026
Beijing, April 10 -- Chinese Patent for Bathing Equipment for Infant Education has been issued to Shanghai Youjiaqi Information Tech Co Ltd. This invention was developed by Gu Ailing.
The patent application number is CN202422819355U 20241119. The patent publication number is CN223438400 (U). International Patent Classificatio..
Education
| Fri 10 Apr 2026
Beijing, April 10 -- Guangdong Chuangshi Bowei Education Tech Co Ltd has been granted a patent for Metal Thermal Expansion and Cold Contraction Experiment Demonstration Instrument. This invention was developed by Liang Huanchu, He Ying and Zhu Tingzhi.
The patent application number is CN202421552342U 20240702. The patent publ..
Education
| Fri 10 Apr 2026
Beijing, April 10 -- Beijing Institute Of Economic Man Beijing Jingli College has been granted a patent for Intelligent Control Technology Teaching Platform. This invention was developed by Zhou Guojuan, Zhou Li, Liu Wenlong, Guan Hua and Wei Hongzhao.
The patent application number is CN202422558176U 20241022. The patent publ..
Education
| Thu 09 Apr 2026
Geneva, April 10 -- Legoelle SRL has submitted a patent application for Dated or Undated Diary with Pen or Pencil. This invention was developed by Pizzagalli Cristiano.
The patent application number is WO2025IB55317 20250522. The patent publication number is WO2026069013 (A1). International Patent Classification codes are B42..
Education
| Fri 10 Apr 2026
Beijing, April 10 -- Suzhou Congyun Information Tech Co Ltd has obtained a patent for multi-situation interactive teaching device. This invention was developed by Yang Ruxue.
The patent application number is CN202422167075U 20240904. The patent publication number is CN223438138 (U). International Patent Classification codes a..
Education
| Fri 10 Apr 2026
Beijing, April 10 -- State Intellectual Property Office of China has awarded a patent to Zhu Ning for Clamping Device for Book Reading. Zhu Jiarui, Zhu Ning and Zhang Huiyun developed the invention.
The patent application number is CN202422973455U 20241203. The patent publication number is CN223438082 (U). International Paten..
Education
| Fri 10 Apr 2026
Beijing, April 10 -- State Intellectual Property Office of China has awarded a patent to Sichuan Zhiboyan Education Consulting Co Ltd for Multifunctional Writing Case. Li Junyu developed the invention.
The patent application number is CN202422768614U 20241113. The patent publication number is CN223438021 (U). International Pa..
Education
| Fri 10 Apr 2026
Beijing, April 10 -- Sichuan Zhaoyang Road Testing Detection Co Ltd has been granted a patent for Structural Layer Material Strength Drawing Instrument. Yuan Dingqiang, Li Yuan, Hu Shun, Zhang Hao and Liu Jingyi developed the invention.
The patent application number is CN202422542339U 20241021. The patent publication number i..
Education
| Wed 08 Apr 2026
Beijing, April 9 -- State Intellectual Property Office of China has awarded a patent to Dongguan Chuangda Printing Co Ltd for Special-shaped Card Book Capable of Attracting Children to Read and Play. Lu Huiyang developed the invention.
The patent application number is CN202422930201U 20241129. The patent publication number is..
Education
| Wed 08 Apr 2026
Beijing, April 9 -- Hangzhou Normal University has been awarded a patent for Preschool Education Intelligence Development Model. This invention was developed by Wang Bo and Wang Xihai.
The patent application number is CN202422677504U 20241104. The patent publication number is CN223429932 (U). International Patent Classificati..
Education
| Thu 09 Apr 2026
Beijing, April 9 -- Shanghai Zhangjiang Leapideas Multimedia System Co Ltd has been awarded a patent for Portable Display Device for Multimedia Teaching. This invention was developed by Shen Junyan, Shui Yuxiang and Du Hao.
The patent application number is CN202421943729U 20240812. The patent publication number is CN223426989..
Education
| Thu 09 Apr 2026
Beijing, April 9 -- State Intellectual Property Office of China has awarded a patent to Logistics University of People's Armed Police Force for Deduction Room for Teaching Demonstration. Wu Jian, Liu Renliang, Zhao Aiyuan, Wang Lei, Sun Yu, Tan Mian, Li Haoling, Yu Guochao, He Xingyue and Tian Chongyang developed the invention.
..
Education
| Wed 08 Apr 2026
Beijing, April 9 -- Shandong Jilyu Bowu Culture Dev Co Ltd has been granted a patent for Mould for Producing and Processing Writing Brush Box. Liu Chang, Liu Qi, Liu Shenhai, Liu Hui, Liu Shenwu and Sun Zhongwen developed the invention.
The patent application number is CN202422661722U 20241101. The patent publication number i..
Education
| Wed 08 Apr 2026
Beijing, April 9 -- Rao Lilong has received a patent for Writing Case with Timer.
The patent application number is CN202423208155U 20241225. The patent publication number is CN223429261 (U). International Patent Classification codes are A45C11/34, A45C13/02 and A45C15/00.
State Intellectual Property Office of China has rele..
Education
| Wed 08 Apr 2026
Beijing, April 9 -- Quanzhou Preschool Education College has been granted a patent for Teaching Aid Box with Writing Function. Zheng Yousheng developed the invention.
The patent application number is CN202423217281U 20241226. The patent publication number is CN223429251 (U). International Patent Classification codes are A45C1..
Education
| Thu 09 Apr 2026
Beijing, April 9 -- Xinjiang Normal University has obtained a patent for mathematics teaching board. This invention was developed by Feng Li.
The patent application number is CN202422895615U 20241127. The patent publication number is CN223427175 (U). International Patent Classification codes are A47B97/04 and G09B19/00.
S..
Education
| Thu 09 Apr 2026
Beijing, April 9 -- Chinese Patent for Movable Casting Sand Table Applied to Teaching has been issued to University of Science and Technology Beijing. This invention was developed by Wang Li, Wang Jianwu, Zou Jing, Han Kunrui, Xu Liye, Dong Huanbo and Li Hongmei.
The patent application number is CN202422766161U 20241113. The ..
Education
| Wed 08 Apr 2026
Beijing, April 9 -- Daqing Directly Official No. 2 Primary School has been awarded a patent for Palette for Teaching in Art Class. This invention was developed by Jiang Chunlu, Meng Zhaojun, Zhang Feifei, Mu Yanli, Chen Yilin, Yang Shangchuan, Yao Muyang, Peng Zixuan, Zhang Yunqi, Wang Yinuo and Guan Chengchang.
The patent ap..
Education
| Wed 08 Apr 2026
Beijing, April 9 -- Chinese Patent for Hairpin Pen has been issued to Ningbo Guangbo Paper Products Co Ltd. This invention was developed by Wang Hui and Zhu Yuzhen.
The patent application number is CN202422760609U 20241113. The patent publication number is CN223432141 (U). International Patent Classification codes are A45D8/1..
Education
| Thu 09 Apr 2026
Beijing, April 9 -- Chinese Patent for Anti-glare Processing Structure for Intelligent Blackboard has been issued to Lianyungang Xiaoniu Electronic Tech Co Ltd. This invention was developed by Wu Yan, Feng Wanchang and Liu Hongwei.
The patent application number is CN202422793507U 20241115. The patent publication number is CN2..
Education
| Thu 09 Apr 2026
Beijing, April 9 -- Tianjin Chenxing Yuxin Tech Co Ltd has received a patent for Multi-dimensional Interactive Teaching All-in-one Machine. This invention was developed by Cui Li, Cui Le, Herzat and Tang Gaoyue.
The patent application number is CN202422475010U 20241012. The patent publication number is CN223427164 (U). Intern..
Education
| Thu 09 Apr 2026
Beijing, April 9 -- State Intellectual Property Office of China has awarded a patent to Huanyu Touch Control Tech Shenzhen Co Ltd for Detachable Handwriting Pen Fixing Device. Liu Fuhua developed the invention.
The patent application number is CN202422397946U 20240930. The patent publication number is CN223427097 (U). Interna..
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