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Kuniaki Nomata

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Patents Grantslast 30 patents

  • Information Patent Grant

    Metallic material for flutes
    • Patent number 4,971,759
    • Issue date Nov 20, 1990
    • Yamaha Corporation
    • Osamu Watanabe
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...