TREA

Vladimir A. Matveev

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  • Chelyabinsk, SU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Roll mill stand
    • Patent number 4,198,841
    • Issue date Apr 22, 1980
    • Vladimir N. Vydrin
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...