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Honglian LIAO

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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotation type flow path switching valve
    • Patent number 9,958,082
    • Issue date May 1, 2018
    • ZHEJIANG SANHUA ROTARY VALVE CO., LTD.
    • Shijun Yu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Rotation-type flow path switching valve
    • Publication number 20170059055
    • Publication date Mar 2, 2017
    • ZHEJIANG SANHUA ROTARY VALVE CO., LTD.
    • Shijun YU
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...