TREA

Eija Laine

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  • Oulu, FI
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for treating waste water
    • Patent number 5,611,928
    • Issue date Mar 18, 1997
    • Kemira Oy
    • Martti Savolainen
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE