TREA

Walter Luigi Trevisan

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  • Johannesburg, ZA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Working of a metallic strip
    • Patent number 6,063,216
    • Issue date May 16, 2000
    • Trico Products Corporation
    • Oliver F. R. A. Damm
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...