CL

Cheng-En Lei

PL Petrochina Company Limited: 1 patents #5 of 83Top 7%
Overall (2024): #510,277 of 561,600Top 95%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12117584 Device and method for determining original stratum direction of core Jiahuan He, Lurui Dang, Keming Zhou, Mei Huang, Jintao Zhang +1 more 2024-10-15