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Nikolai Stepanovich Makarkin

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  • Elektrostal Moskovskoi oblasti, SU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Feeding device of a tube cold-rolling mill
    • Patent number 4,145,906
    • Issue date Mar 27, 1979
    • Proizvodstvennoe Obiedinenie "Elektrostaltyazhmash"
    • Nikolai S. Makarkin
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Pipe cold-rolling mill
    • Patent number 3,995,468
    • Issue date Dec 7, 1976
    • Mark Izrailevich Grinshpun
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...