BK

Bo Kong

PL Petrochina Company Limited: 1 patents #85 of 231Top 40%
Overall (2021): #514,720 of 548,734Top 95%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10928282 Method and device for determining elasticity of cement stone utilized in well cementing of oil-gas well Youzhi Zheng, Jie Li, Huiyun Ma, Yu SANG, Tao Yang +15 more 2021-02-23