LM

Lanrong Ma

CC China Petroleum & Chemical: 1 patents #81 of 344Top 25%
Overall (2024): #374,814 of 561,600Top 70%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12129728 Downhole blowout preventer and blowout prevention operation method Lei Gu, Huibo Yin, Xiaozhi Zheng, Guangming CHENG, Yuequan Hou 2024-10-29