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Jianjun Zhan

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Patents Grantslast 30 patents

  • Information Patent Grant

    Resin cage and rolling bearing
    • Patent number 8,303,192
    • Issue date Nov 6, 2012
    • NSK Ltd.
    • Takiyoshi Yamada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Resin Cage and Rolling Bearing
    • Publication number 20090220181
    • Publication date Sep 3, 2009
    • NSK Ltd.
    • Takiyoshi Yamada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...