ZG

Zengchen Guan

CC China Petroleum & Chemical: 1 patents #836 of 1,719Top 50%
📍 Dongying, CN: #54 of 139 inventorsTop 40%
Overall (All Time): #3,346,693 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7323434 Electropositive production well treating fluid and method of preparing the same Changming Su, Rushan Liu, Weiping Xu, Peizhi Yu, Xiushan Liu +5 more 2008-01-29