TREA

Erkki Krogerus

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  • Kirkkonummi, FI
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for suspension smelting
    • Patent number 5,772,955
    • Issue date Jun 30, 1998
    • Outokumpu Engineering Contractors Oy
    • Pekka Hanniala
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for suspension smelting
    • Patent number 5,565,016
    • Issue date Oct 15, 1996
    • Outokumpu Engineering Contractors Oy
    • Pekka Hanniala
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...