TREA

F. Tecs Co., Ltd.

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bubbling system
    • Patent number 5,356,533
    • Issue date Oct 18, 1994
    • F. Tecs Co., Ltd.
    • Turuo Nakagawa
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE