TREA

Vladimir K. Kolos

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  • Minsk, SU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for sizing of tubes
    • Patent number 4,519,230
    • Issue date May 28, 1985
    • Fiziko-Tekhnichesky Institut Akademii Nauk Belorusskoi SSR
    • Viktor N. Chachin
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Hydropunch for use in a press
    • Patent number 4,344,313
    • Issue date Aug 17, 1982
    • Viktor N. Chachin
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Striker starting mechanism of hydrodynamic unit
    • Patent number 4,313,334
    • Issue date Feb 2, 1982
    • Viktor N. Chachin
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...