Security & Protection
| Sat 07 Nov 2026
Beijing, Nov. 6 -- Ordos Guoyuan Mining Dev Co Ltd has sought patent for Emergency Barrier-breaking Rescue Device for Mine. This invention was developed by Qi Jinlong, Li He, Wang Ziyu, Wang Caifeng, Gong Kai, Li Gang, Gao Long, Wu Wei and Lian Quandong.
The patent application number is CN202610902285 20260623. The patent pub..