TREA

Watership PTY. Ltd.

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  • Harrisfield, AU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Expansion of sheet materials
    • Patent number 4,881,307
    • Issue date Nov 21, 1989
    • Watership PTY. Ltd.
    • Rudi Gaissmaier
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...