HZ

Hongjie Zhao

Overall (2020): #445,595 of 565,922Top 80%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10563468 Automatic auxiliary workover rig Shuwang Hou, Chongzhen Zhao, Renhua Ba, Tonghai Yang, Tongxin Cai +2 more 2020-02-18