Transportation
| Thu 05 Nov 2026
Beijing, Nov. 5 -- Chinese Patent for Intelligent Calibration System Device for Digital Multimeter has been issued to China Railway Kunming Group. This invention was developed by Hou Yabin, Deng Qiang, Li Bin, Jiang Xiao, Yang Liheng, Chen Wei, Yu Fang, Xu Kun, Guo Xiaoguang, Zhang Wei, Zhou Liangfu, Wu Yuebo, Zhang Cheng, Shi X..