Metal & Mining
| Tue 18 Nov 2025
Beijing, Nov. 19 -- State Intellectual Property Office of China has released Chongqing Iron & Steel patent application for Spraying Device. This invention was developed by Feng Cheng, Liu Xianghui, Zhang Haifeng, Yin Weiguo, Yuan Dailian, Wang Bichuan, Dong Rubo, Sun Ming, Li Jinhua and Li Junhao.
The patent application numbe..