TREA

Shasha Yin

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  • Xianyang, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Curved trench ball bearing
    • Patent number 9,970,484
    • Issue date May 15, 2018
    • Kangquan Guo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    CURVED TRENCH BALL BEARING
    • Publication number 20160123395
    • Publication date May 5, 2016
    • NORTHWEST A & F UNIVERSITY
    • Kangquan Guo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...