INTERNATIONAL PATENT: CHINA NATIONAL OFFSHORE OIL CORPORATION, 中国海洋石油集团有限公司, CHINA OILFIELD SERVICES LTD., 中海油田服务股份有限公司 FILES APPLICATION FOR "ULTRAHIGH-TEMPERATURE ELECTRONIC CIRCUIT FRAMEWORK STRUCTURE FOR WELL LOGGING"

Posted On: 2025-06-02

GENEVA, June 2 -- CHINA NATIONAL OFFSHORE OIL CORPORATION (No. 25 Chaoyangmen North Street, Dongcheng DistrictDongcheng District, Beijing 100010), 中国海洋石油集团有限公司 (中国北京市东城区朝阳门北大街25号), CHINA OILFIELD SERVICES LTD. (1581 Haichuan Road, Tanggu Marine Science And Technology ParkBinhai New Area, Tianjin 300459), 中海油田服务股份有限公司 (中国天津市滨海新区塘沽海洋科技园海川路1581&...

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INTERNATIONAL PATENT: CHINA NATIONAL OFFSHORE OIL CORPORATION, 中国海洋石油集团有限公司, CHINA OILFIELD SERVICES LTD., 中海油田服务股份有限公司 FILES APPLICATION FOR "ULTRAHIGH-TEMPERATURE ELECTRONIC CIRCUIT FRAMEWORK STRUCTURE FOR WELL LOGGING"