HZ

Hengchun Zhang

Overall (2022): #434,548 of 548,613Top 80%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11255149 Multifunctional directional wireline core drilling device Longlong Cao, Wenshi Wang, Jia Yan, Jie Xu 2022-02-22