Tools and Machinery
| Sun 29 Jun 2025
Beijing, June 30 -- State Intellectual Property Office of China has awarded a patent to China Copper Southeast Copper for suction filter device and release agent spraying system. Wang Zhenbao, Xie Jingpeng, Li Liangbin, Li Wangqiang, Zhao Gang, Xu Weihao, Yan Shuai, Chen Guanming, Yang Hui, Han Chao and Lang Lijie developed the ..