TREA

Ulrich Huwel

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  • Koln, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Preheating screw
    • Patent number 5,547,277
    • Issue date Aug 20, 1996
    • Klockner-Humboldt-Deutz AG
    • Heinz Caspelherr
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL