TREA

Tor Hartvig

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  • Raufoss, NO
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Patents Grantslast 30 patents

  • Information Patent Grant

    Austenitic wear resistant steel
    • Patent number 4,394,168
    • Issue date Jul 19, 1983
    • A/S Raufoss Ammunisjonsfabrikker
    • Tor Hartvig
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Austenitic wear-resistant steel
    • Patent number 4,130,418
    • Issue date Dec 19, 1978
    • Raufoss Ammunisjonsfabrikker A/S
    • Tor Hartvig
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...