TREA

Yosinobu Yamaguchi

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  • Nagoya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Abrasive composition and process for polishing
    • Patent number 4,929,257
    • Issue date May 29, 1990
    • Showa Denko Kabushiki Kaisha
    • Kunihiro Miyazaki
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...