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Ludger Urban

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  • Isselburg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drive for a double screw extruder
    • Patent number 5,907,982
    • Issue date Jun 1, 1999
    • A. Friedr. Flender AG
    • Ludger Urban
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL