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Spetsialnoe Konstruktorskotekhnologicheskoe Bjuro Glavmosinzhstroja Pri Mosgorispolkome

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  • Minsk, SU
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    Hydraulic jack
    • Patent number 4,770,085
    • Issue date Sep 13, 1988
    • Spetsialnoe Konstruktorskotekhnologicheskoe Bjuro Glavmosinzhstroja Pri Mosgo...
    • Sergei M. Grigoriev
    • E21 - EARTH DRILLING MINING

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