LH

Linfeng Hong

IS Institute Of Geology And Geophysics, Chinese Academy Of Sciences: 1 patents #50 of 137Top 40%
Overall (2022): #360,464 of 548,613Top 70%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11396777 Rotary steering drilling apparatus Qijun Xie, Qingyun Di, Qingbo Liu, Yongyou Yang, Xiangyang Wang 2022-07-26