INTERNATIONAL PATENT: PETROCHINA SHANGHAI ADVANCED MATERIALS RESEARCH INSTITUTE CO.LTD, 中石油（上海）新材料研究院有限公司, PETROCHINA COMPANY LIMITED, 中国石油天然气股份有限公司 FILES APPLICATION FOR "POLYIMIDE FILM AND PREPARATION METHOD THEREFOR AND USE THEREOF"

Posted On: 2026-05-10

GENEVA, May 10 -- PETROCHINA SHANGHAI ADVANCED MATERIALS RESEARCH INSTITUTE CO.LTD (116 Linjun Rd, Lin-Gang Special Area, China (Shanghai) Pilot Free Trade Zone,Pudong New Area, Shanghai 201306), 中石油（上海）新材料研究院有限公司 (中国上海市浦东新区中国（上海）自由贸易试验区临港新片区临隽路116号), PETROCHINA COMPANY LIMITED (9 Dongzhimen North Street,Dongcheng District, Beijing 100007), 中国石油天然气股份...

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INTERNATIONAL PATENT: PETROCHINA SHANGHAI ADVANCED MATERIALS RESEARCH INSTITUTE CO.LTD, 中石油（上海）新材料研究院有限公司, PETROCHINA COMPANY LIMITED, 中国石油天然气股份有限公司 FILES APPLICATION FOR "POLYIMIDE FILM AND PREPARATION METHOD THEREFOR AND USE THEREOF"