TREA

Kazuhito Yoshida

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Article of black silver color
    • Patent number 4,923,764
    • Issue date May 8, 1990
    • Seikosha Co., Ltd.
    • Kouji Hirose
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...