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Renle Ma

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coupling flange assembly for connecting steel pipes
    • Patent number 8,322,757
    • Issue date Dec 4, 2012
    • Inner Mongolia Golden Ocean New Energy Technology Corporation Co., Ltd.
    • Renle Ma
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents