YC

Yuanyuan Cheng

Overall (2023): #190,726 of 537,848Top 40%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11851966 Horizontal sampling soil drilling rig and control method thereof Maoyong He, Li Deng, Zhangdong Jin, Jun Xiao, Qing Zhou +1 more 2023-12-26