Tools and Machinery
| Thu 27 Aug 2026
Beijing, Aug. 27 -- Chinese Patent for Gas Calibration Device has been issued to Beijing Guowang Fuda Science & Technology Development. This invention was developed by Cao Xiangyong, Ma Junpeng, Guo Zhe, Ni Kangting, Shao Qiuhua, Yu Hongliang, Takayasu Kiyoshi, Pang Hongliang, Zhao Shuang, Tian Yusheng, Yin Lei, Han Shuo, Zhao J..