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| Sat 29 Mar 2025
Beijing, March 29 -- Yiyijia Cultural Tech Guangdong Co Ltd has secured a patent on wind-resistant advertising board. Fu Jian, Yang Zhengbiao, Chen Lanmei, Peng Ruolian, Liu Xuesong, Zheng Jiexuan and Zou Xiaofu developed the invention.
The patent application number is CN202420126705U 20240118. The patent publication number i..