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CNIPA ENGLISH - cnipa. gov. cn Address: No 6, Xitucheng Lu, Jimenqiao Haidian District, Beijing City Postal Code: 100088 E-mail: sipo1@cnipa gov cn (Note: the e-mail is used for comments and suggestions concerning web server content and operation only ) Telephone: Telephone Exchange: 010-62083114 Telephone Number for Customer Service Center: 010-62085588 5599, 010-62356655 Inquiry Telephone Number for Patent Application
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