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Changgui XU

CO China National Offshore Oil: 1 patents #30 of 142Top 25%
CL China Oilfield Services Limited: 1 patents #31 of 78Top 40%
Overall (All Time): #2,478,150 of 4,157,543Top 60%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11905829 Integrated logging instrument for coring and sampling Tao-Cheng Lu, Yongren Feng, Zhibin Tian, Xiaofei Qin, Minggao Zhou +5 more 2024-02-20