TREA

Kazuo Marugame

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  • Sakai, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Water treatment agent and water treatment method for a boiler
    • Patent number 5,169,563
    • Issue date Dec 8, 1992
    • Katayama Chemical Inc.
    • Sakae Katayama
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Corrosion inhibitor
    • Patent number 4,512,552
    • Issue date Apr 23, 1985
    • Katayama Chemical Works Co., Ltd.
    • Sakae Katayama
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...