TREA

Bengt Fredriksson

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  • Vasteras, SW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Melt casting apparatus
    • Patent number 3,991,813
    • Issue date Nov 16, 1976
    • Allmanna Svenska Elektriska Aktiebolaget
    • Conny Andersson
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Method for treating a metal melt
    • Patent number 3,967,955
    • Issue date Jul 6, 1976
    • Uddeholms Aktiebolag
    • Kare M. Folgero
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Method for refining steel
    • Patent number 3,948,643
    • Issue date Apr 6, 1976
    • Allmanna Svenska Elektriska Aktiebolaget
    • Bengt Fredriksson
    • C21 - METALLURGY OF IRON