Karrenh GmbH

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  • Dusseldorf, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Furnace chamber lining structure

    • Patent number 4,463,690
    • Issue date Aug 7, 1984
    • Rheinische Braunkohlenwerke AG
    • Wolfgang Hermann
    • F27 - FURNACES KILNS OVENS RETORTS