Margarita V. Koroleva

Person

  • Moscow, SU

Patents Grantslast 30 patents

  • Information Patent Grant

    Aeration tank

    • Patent number 4,582,599
    • Issue date Apr 15, 1986
    • Boris N. Repin
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE