XH

Xuemei Han

PL Petrochina Company Limited: 1 patents #21 of 172Top 15%
Overall (2022): #205,852 of 548,613Top 40%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11352572 Low viscosity poly-a-olefin lubricating oil and synthesis method thereof Hongling Chu, Sihan Wang, Kecun MA, Xianming Xu, Libo Wang +17 more 2022-06-07