TREA

Heinz Opdenwinkel

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  • Aachen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fuel briquettes
    • Patent number 4,863,485
    • Issue date Sep 5, 1989
    • Akzo nv
    • Hans G. Scafer
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...