TREA

Manabu Kumagaya

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  • Kanagawa-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for phosphatizing iron and steel
    • Patent number 6,361,623
    • Issue date Mar 26, 2002
    • Henkel Corporation
    • Kazuhiro Ishikura
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...