TREA

Oswald Breuer

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  • Dortmund-Husen, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cutter bit assemblies for coal ploughs
    • Patent number 4,076,318
    • Issue date Feb 28, 1978
    • Gewerkschaft Eisenhutte Westfalia
    • Alois Hauschopp
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mineral winning ploughs
    • Patent number 4,035,025
    • Issue date Jul 12, 1977
    • Gewerkschaft Eisenhutte Westfalia
    • Martin Hermann
    • E21 - EARTH DRILLING MINING