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Hoden Meimitsu Kako Kenkyusho Co., Ltd.

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  • Atsugi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chromium-free metal surface treatment agent
    • Patent number 7,918,931
    • Issue date Apr 5, 2011
    • Hoden Meimitsu Kako Kenkyusho Co., Ltd.
    • Yasuhiko Endo
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...