TREA

Ueda; Etsuko

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Patents Grantslast 30 patents

  • Information Patent Grant

    Waste water treatment equipment
    • Patent number 5,240,597
    • Issue date Aug 31, 1993
    • Ueda; Iwao
    • Iwao Ueda
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Apparatus for processing sludge
    • Patent number 4,927,530
    • Issue date May 22, 1990
    • Ueda; Iwao
    • Iwao Ueda
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

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