Measurement & Testing
| Thu 30 Apr 2026
Beijing, April 30 -- State Intellectual Property Office of China has received Huaibei Mining patent application for Auxiliary Device for Measuring Water Quality in Subsidence Area. Li Wenjun, Xin Zhandong, Liu Xuewen, Zhang Yu, Xie Zhen, Zhou Wentian, Hu Zhenfeng, Zhang Weiwei, Wang Sen, Du Bo, Yang Tao, Wang Jun, Zhou Kun, Xu L..