TREA

Hideo Ohtaka

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Water treatment agent
    • Patent number 4,666,609
    • Issue date May 19, 1987
    • Kurita Water Industries Ltd.
    • Takao Tsuneki
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...