INTERNATIONAL PATENT: XINJIANG PETROLEUM ADMINISTRATION BUREAU CO., LTD, 新疆石油管理局有限公司, PETROCHINA COMPANY LIMITED, 中国石油天然气股份有限公司, CHINA NATIONAL PETROLEUM CORPORATION, 中国石油天然气集团有限公司 FILES APPLICATION FOR "DOWNHOLE CORROSION MONITORING DEVICE, SYSTEM AND METHOD"
GENEVA, April 5 -- XINJIANG PETROLEUM ADMINISTRATION BUREAU CO., LTD (36 Yingbin Avenue,Karamay, Xinjiang 834000), 新疆石油管理局有限公司 (中国新疆维吾尔自治区克拉玛依市迎宾大道36号), PETROCHINA COMPANY LIMITED (9 Dongzhimen North Street,Dongcheng District, Beijing 100007), 中国石油天然气股份有限公司 (中国北京市东城区东直门北大街9号), CHINA NATIONAL PETROLEUM CORPORATION (9 Dongzhimen North St...
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