TREA

Anatoly A. Vorozheikin

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  • Novosibirsk, SU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Percussive device
    • Patent number 4,370,916
    • Issue date Feb 1, 1983
    • Leonid A. Mitin
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Apparatus for drifting openings in hard rock
    • Patent number 4,300,802
    • Issue date Nov 17, 1981
    • Leonid A. Mitin
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS