Metal & Mining
| Thu 15 Oct 2026
Beijing, Oct. 15 -- China United Coalbed Methane Co Ltd has submitted a patent application for Coal Seam Pressure Relief Fluid Seepage Migration Simulation Test System. Guo Hui, Zhou Jianhui, Fan Zhili, Guo Naiting, Hu Lianxing, Liu Guangjing, Zhang Hao, Meng Shangzhi, Deng Zhiyu and Li Jian developed the invention.
The paten..