INTERNATIONAL PATENT: CHINA PETROLEUM ENGINEERING & CONSTRUCTION CORP., 中国石油工程建设有限公司, CHINA NATIONAL PETROLEUM CORPORATION, 中国石油天然气集团有限公司 FILES APPLICATION FOR "LIQUID DESULFURIZATION AGENT AND PREPARATION METHOD THEREFOR"
GENEVA, May 3 -- CHINA PETROLEUM ENGINEERING & CONSTRUCTION CORP. (28 Gulouwai Street,Dongcheng District, Beijing 100120), 中国石油工程建设有限公司 (中国北京市东城区鼓楼外大街28号), CHINA NATIONAL PETROLEUM CORPORATION (9 Dongzhimen North Street,Dongcheng District, Beijing 100007), 中国石油天然气集团有限公司 (中国北京市东城区东直门北大街9号) filed a patent application (PCT/CN2024/140430) for "LIQUID DESULFURIZATION AGENT A...
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