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Changchun Gaoxiang Special Pipe Co., LTD.

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  • Changchun, CN
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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