TREA

Stanislav N. Ignatiev

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  • Donetsk, SU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of rolling section billets
    • Patent number 4,204,416
    • Issue date May 27, 1980
    • Julian M. Chumanov
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of rolling section billets
    • Patent number 4,201,075
    • Issue date May 6, 1980
    • Julian M. Chumanov
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...