TREA

Ullrich Koch

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  • Salzgitter-Lebenstedt, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making a steel wire adapted for cold drawing
    • Patent number 4,180,418
    • Issue date Dec 25, 1979
    • Stahlwerke Peine-Salzgitter A.G.
    • Hans Paulitsch
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Steel wire
    • Patent number 4,108,695
    • Issue date Aug 22, 1978
    • Stahlwerke Peine-Salzgitter A.G.
    • Hans Paulitsch
    • C21 - METALLURGY OF IRON