TREA

Evgeny P. Olofinsky

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  • Moscow, SU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gate valve
    • Patent number 4,534,540
    • Issue date Aug 13, 1985
    • Voroshilovgradsky Mashinostroitelny Institut
    • Boris F. Bragin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gate valve
    • Patent number 4,505,452
    • Issue date Mar 19, 1985
    • Boris F. Bragin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...