Broadband & Wireless Network
| Wed 26 Nov 2025
Beijing, Nov. 26 -- China Coal Technology Engineering Group Chongqing Research Institute has been granted a patent for Mining Detachable Wireless Signal Transmitter. Chen Zeping, Wang Guozhen, Meng Xianghui, Liu Sicong, Yan Baoyong, Zhang Xiantao, Wang Jie, Yang Tingjun, Zhang Xiaoze, Cao Liu, Zhu Limin, Hao Shaonan, Zhao Shengt..