BC

Beihua Chen

Overall (2025): #442,935 of 469,880Top 95%
1
Patents 2025

Issued Patents 2025

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