BLADE ROCK ROLLER BIT von BAJDYUK BRONISLAV V,SU, VEKERIK VASILIJ ,SU, YASOV VITALIJ G,SU

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METHOD OF COMPARATIVE ESTIMATE OF ANISOTROPY OF MECHANICAL PROPERTIES von POTASHNIKOV VLADIMIR D,SU, BAJDYUK BRONISLAV V,SU, PETRUSHIN VALERIJ I,SU, VASILEV YURIJ S,SU, SKOBLO VALERIJ Z,SU

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RACK FOR TESTING DRILL BITS von BAJDYUK BRONISLAV V,SU, VINYARSKIJ ROMAN V,SU, VOLNYJ OLEG I,SU, DUDA ZINOVIJ N,SU, ABRAMSON MIKHAIL G,SU, SABAEV VASILIJ F,SU, PYANKOV NIKOLAJ YA,SU

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DEVICE FOR CLEANING BOREHOLE WALLS von BAJDYUK BRONISLAV V,SU, KUROCHKIN BORIS M,SU, FATKULLIN RASHAT KH,SU, PRUSOVA NINA L,SU, BIKCHURIN TALGAT N,SU, ISAEV GENNADIJ E,SU

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