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  • Shijiazhuang, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Soil property test device
    • Patent number 9,453,829
    • Issue date Sep 27, 2016
    • SHIJIAZHUANG TIEDAO UNIVERSITY
    • Huaiping Feng
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    TEST DEVICE
    • Publication number 20150377853
    • Publication date Dec 31, 2015
    • SHIJIAZHUANG TIEDAO UNIVERSITY
    • Huaiping FENG
    • G01 - MEASURING TESTING