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Keum Kang Co., Ltd.

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  • Seoul, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cobalt-based heat-resisting composition
    • Patent number 6,068,814
    • Issue date May 30, 2000
    • Keum Kang Co., Ltd.
    • Hwan Sub Kang
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...