CC

Chenglin Chang

Overall (All Time): #2,546,844 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12146410 Method for dewatering coal mine goaf by crossing neighboring goaf Qingfa Liao, Bing Li, Yingui Gao, Hongwei Wang, Shaobo Yin +3 more 2024-11-19