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NIANXI WANG

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  • SHANGHAI, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Silty floating mud collection device
    • Patent number 9,784,649
    • Issue date Oct 10, 2017
    • CCC THIRD HARBOR CONSULTANTS CO., LTD.
    • Jianding Niu
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    SILTY FLOATING MUD COLLECTION DEVICE
    • Publication number 20160153869
    • Publication date Jun 2, 2016
    • CCCC THIRD HARBOR CONSULTANTS CO., LTD
    • JIANDING NIU
    • G01 - MEASURING TESTING