TREA

Japan Sewage Works Agency

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Patents Grantslast 30 patents

  • Information Patent Grant

    Coagulation reaction tank
    • Patent number 5,160,041
    • Issue date Nov 3, 1992
    • Japan Sewage Works Agency
    • Naohiro Taniguchi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Coagulation reaction tank
    • Patent number 5,069,784
    • Issue date Dec 3, 1991
    • Japan Sewage Works Agency
    • Naohiro Taniguchi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    System for treating waste water by nitrification
    • Patent number 5,061,368
    • Issue date Oct 29, 1991
    • Hitachi Plant Engineering and Construction Co., Ltd.
    • Minoru Tada
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

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