TREA

Rolf Kalthoff

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  • Wermelskirchen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Stepped precision winding process
    • Patent number 4,697,753
    • Issue date Oct 6, 1987
    • Barmag AG
    • Heinz Schippers
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL