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CC China Petroleum & Chemical: 1 patents #836 of 1,719Top 50%
Overall (All Time): #2,775,673 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
10563495 Separation device Changchao HU, Wei Dang, Xiaoxuan Xu, Zhiwei Tang, Lili Wang +3 more 2020-02-18