TREA

Christian Payn

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  • Barbazan, FR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Thermal processes for the production of magnesium
    • Patent number 4,190,434
    • Issue date Feb 26, 1980
    • Societe Francaise d'Electrometallurgie "Sofrem"
    • Rene Bonfils
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...