ET

Engao Tang

CO China National Offshore Oil: 1 patents #1 of 27Top 4%
Overall (2021): #464,127 of 548,734Top 85%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10941333 Heavy oil activator and preparation method and use thereof Jian Zhang, Yuejun Zhu, Xiaodong Kang, Guang Yang, Xudong Wang +1 more 2021-03-09