EM

Eryang Ming

PL Petrochina Company Limited: 1 patents #264 of 890Top 30%
Overall (All Time): #2,704,328 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10890052 Downhole power generation device and separate-zone waterflooding device Xiaohan Pei, Qinghai Yang, Dongbai Shan, Tao Li, Ming Li 2021-01-12