INTERNATIONAL PATENT: PETROCHINA COMPANY LIMITED, 中国石油天然气股份有限公司, CHINA PETROLEUM ENGINEERING & CONSTRUCTION CORP., 中国石油工程建设有限公司, BEIJING DWELL OIL & GAS TECHNOLOGY DEVELOPMENT CO. LTD, 北京迪威尔石油天然气技术开发有限公司 FILES APPLICATION FOR "CORROSION TESTING METHOD FOR METAL MATERIAL IN CO2 CAPTURING ENVIRONMENT AND CORROSION RISK EVALUATION METHOD"

GENEVA, May 17 -- PETROCHINA COMPANY LIMITED (9 Dongzhimen North StreetDongcheng 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 PETROLEUM ENGINEERING & CONSTRUCTION CORP. (No.6 LiupukangXicheng District, Beijing 100120), 中国石油工程建设有限公司 (中国北京市西城区六铺炕6号), BEIJING DWELL OIL & GAS TECHNOLOGY DEVELOPMENT CO. LTD (3/F, Block B, No.22, Shangdi Xinxin RoadHaidian District, B...