Metal & Mining
| Fri 04 Oct 2024
Beijing, Oct. 5 -- China Huaye Group has been granted a patent for underground mine watering device. This invention was developed by Liu Yang, Wang Jian, Duan Chaolin, Ju Zhanyong, Huang Xiaodong, Wang Xinpeng, Niu Zefeng, Bai Fengshan, Zhang Hongtao, Wang Weifeng and Li Zhipeng.
The patent application number is CN20222349363..