XM

Xinyang Men

Overall (All Time): #2,692,385 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11497361 Adjustable gas detection device for coal bed Shu Tao, Dazhen Tang, Hao Xu, Song Li, Yaning Wu 2022-11-15