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Daogang Cai

PL Petrochina Company Limited: 1 patents #264 of 890Top 30%
Overall (All Time): #2,501,599 of 4,157,543Top 65%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11994011 Permanent packer and extended gas lift method using permanent packer Weilin Wang, Huiyun Ma, Changqing Ye, Hao Tan, Hanbing Tang +8 more 2024-05-28