TREA

Kunihiro Iguchi

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  • Shimotsuga-gun, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Synchronizer ring
    • Patent number 5,861,565
    • Issue date Jan 19, 1999
    • Nippon Piston Ring Co., Ltd.
    • Takao Omiya
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...