Telecom
| Tue 03 Dec 2024
Alexandria, Dec. 3 -- U.S. Patent and Trademark Office has received Ccteg China Coal Res Institute patent application for mining converged communication system and communication method. Zhang Liya, Li Chenxin, Wen Liang, Wang Kebing, Meng Qingyong, Wu Wenzhen, Fu Yuan, Li Yingxi, Yang Guowei, Wei Chunxian, Li Biao, Dai Wanbo, Ya..