TREA

Alf A. Berg

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  • Vasteras, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spring coiling machine
    • Patent number 4,393,678
    • Issue date Jul 19, 1983
    • Tekno-Detaljer Sture Carlsson AB
    • Guido Favot
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...