Measurement & Testing
| Fri 30 Jan 2026
Beijing, Jan. 30 -- Shandong Energy Group Co Ltd and Yunding Technology have applied Chinese patent for Coal Mine Shaft Inspection Method and System. Liu Jian, Li Wen, Pan Hongwei, Zhu Dongfang, Li Ming, Bao Qiankun, Hou Xiaosong, Zhang Junyong, Lee Byeong-tak, Wang Haifeng and Li Jindi developed it.
The patent application nu..