BC

Beihua Chen

Overall (All Time): #2,391,251 of 4,157,543Top 60%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12234699 Inner tube assembly of drill tool and rope coring drill tool thereof Xuyong Liu, Guanghong Deng 2025-02-25