TREA

Trygve Olavson Terum

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  • Sunndalsora, NO
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dynamic vacuum treatment
    • Patent number 4,049,248
    • Issue date Sep 20, 1977
    • A/S Ardal og Sunndal Verk
    • Ole Georg Gjosteen
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...