YC

Yuanyuan Cheng

Overall (All Time): #2,628,686 of 4,157,543Top 65%
1
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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