TREA

Rolf Hessenbruch

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  • Remscheid, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Methods for production of filaments from foils
    • Patent number 4,083,914
    • Issue date Apr 11, 1978
    • Barmag Barmer Maschinenfabrik Aktiengesellschaft
    • Heinz Schippers
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL