TREA

Seiki Sato

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Permanent-magnetic material
    • Patent number 4,734,131
    • Issue date Mar 29, 1988
    • Kabushiki Kaisha Toshiba
    • Tomohisa Arai
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...