TREA

Ryoichi Kuga

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  • Aichi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Viscous fluid coupling device
    • Patent number 4,469,209
    • Issue date Sep 4, 1984
    • Aisin Seiki Co., Ltd.
    • Masaharu Hayashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...