TREA

Klaus Haarmann

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  • Ratingen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    High-temperature steel for boiler making
    • Patent number 5,573,605
    • Issue date Nov 12, 1996
    • Mannesmann Aktiengesellschaft
    • Walter Bendick
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...