3 Patents
- US121881982025Method for Constructing Fixed Monitoring Pile for Mining Area with High Phreatic Water Level
HUAINAN MINING (GROUP) CO., Ltd
0 cites - US121464102024Method for Dewatering Coal Mine Goaf by Crossing Neighboring Goaf
HUAINAN MINING (GROUP) CO., Ltd
0 cites - US120445312024Level Instrument and Method for Surveying Mining Subsidence Zone in Coal Mining Area
PING AN COAL MINING ENGINEERING TEC
0 cites