GENEVA, Feb. 3 -- CHINA PETROLEUM & CHEMICAL CORPORATION (No.22 Chaoyangmen North StreetChaoyang District, Beijing 100728), 中国石油化工股份有限公司 (中国北京市朝阳区朝阳门北大街22号), SINOPEC EXPLORATION & PRODUCTION RESEARCH INSTITUTE (No.31 Xueyuan RoadHaidian District, Beijing 100083), 中国石油化工股份有限公司石油勘探开发研究院 (中国北京市海淀区学院路31号) filed a patent application ...
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