LIQUID PURIFICATION METHOD von GIRDA SERGEJ A, SADOVSKIJ ROMAN YU, MATSAK ALEKSANDR F, FONDORKO EVGENIJ M, TROSHIN GEORGIJ P, PETRUK NIKOLAJ V, KONDRATYUK ALEKSEJ T, TROKHINA GALINA N

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DRILLING METHOD von OZARCHUK PETR A,SU, GLUSHAKOV ADOLF YA,SU, PETRUK NIKOLAJ V,SU, KURTOV VENIAMIN D,SU

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DEVICE FOR JOINING TURBODRILL SHAFT TO DRILL PIPE SPRING von FEDORENKO PAVEL F,SU, GLUSHAKOV ADOLF YA,SU, PETRUK NIKOLAJ V,SU, GOROBETS MIKHAIL G,SU

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WELL DEFLECTING TOOL AND ZENITH ANGLE POSITION RECORDER von NOGACH NIKOLAJ N,SU, TURYANSKIJ OREST A,SU, BABYAK MIKHAIL S,SU, KOVALENKO IGOR A,SU, PETRUK NIKOLAJ V,SU, LUZHANITSA NIKOLAJ V,SU, MAMCHENKO TATYANA A,SU

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ASSOCIATIVE UNIT FOR CALCULATING SHIFT OF CENTER OF CURRENT IMAGE RELATIVELY CENTER OF STANDARD IMAGE von PETRUK OLEG V, ANTONOV SERGEJ V, RYABKOV NIKOLAJ V, VASILEV GENNADIJ I

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