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Isamu Maeda

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  • Kanagawa, JP
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  • Information Patent Grant

    Metal melting furnace
    • Patent number 4,691,900
    • Issue date Sep 8, 1987
    • Kankyo Souken Consultant, Co., Ltd.
    • Isamu Maeda
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...