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Liangliang Liang

SC Sichuan Honghua Petroleum Equipment Co.: 1 patents #9 of 51Top 20%
📍 Guanghan, CN: #10 of 23 inventorsTop 45%
Overall (All Time): #2,572,848 of 4,157,543Top 65%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11603720 Methods for tripping a drilling rig or a workover rig Junqing Chai, Yan Lyu, Aimin Tang, Zhenghua Wu 2023-03-14