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Karl H. Keim

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  • Swisttal-Heimerzheim, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reprocessing of contaminated oils
    • Patent number 5,049,258
    • Issue date Sep 17, 1991
    • RWE-Entsorgung Aktiengesellschaft
    • Karl H. Keim
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...