17 Utility Patents
#2,357 in Beijing
#5,948 in China
#198,205 in the World
Forward Citations = 6
Company Filing History:
China University of Petroleum (east China)
China University of Geosciences (beijing)
Northwest Oilfield Branch, China Petroleum & Chemical Co., Ltd
4. 3 out of 3
Oil and Gas Technology Research Institute, Petrochina Changqing Oilfield Company
5. 1 out of 23
China University of Petroleum
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