TREA

Nina A. Franchenko

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  • Omsk, SU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Forging press
    • Patent number 4,186,587
    • Issue date Feb 5, 1980
    • Anatoly S. Grigorenko
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...