Yanhua XIU

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ChangChun City, CH

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Patents Grantslast 30 patents

Information Patent Grant
Hybrid pipe design and method of manufacture
- Patent number 9,067,397
- Issue date Jun 30, 2015
- Changchun Gaoxiang Special Pipe Co., LTD.
- Bin Chen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Hybrid Pipe Design and Method of Manufacture
- Publication number 20140251485
- Publication date Sep 11, 2014
- Changchun Gaoxiang Special Pipe Co., Ltd.
- Bin CHEN
- B32 - LAYERED PRODUCTS