TREA

Yankai Si

Follow

Person

  • Zhengzhou, CN
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid distributing valve
    • Patent number 9,593,805
    • Issue date Mar 14, 2017
    • AUTOL TECHNOLOGY CO., LTD
    • Daping Zhao
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    LIQUID DISTRIBUTING VALVE
    • Publication number 20150233525
    • Publication date Aug 20, 2015
    • AUTOL TECHNOLOGY CO., LTD
    • Daping Zhao
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...