TREA

Junichi Okamoto

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric welded boiler steel pipe
    • Patent number 6,406,564
    • Issue date Jun 18, 2002
    • Nippon Steel Corporation
    • Taro Muraki
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents