DIGITAL SWITCHING DEVICE von FILIMONOV YURIJ P,SU, PUSTOVOJTOV OLEG I,SU, NIKITIN VIKTOR A,SU, PYATKIN EVGENIJ G,SU, RAJTSIS YAN N,SU, EROKHIN GENNADIJ I,SU, GOLDYREV EVGENIJ A,SU, KOZHANOV ALEKSANDR V,SU, SOKOLOV VLADIMIR A,SU

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METHOD OF SELECTIVE EXCAVATION OF MINERAL STRATA von KALINICHENKO PETR I,SU, TRUSOV VLADIMIR P,SU, ARESHKIN MIKHAIL E,SU, GAVRIKOV ALEKSEJ A,SU, ZELENKIN VITALIJ N,SU, SIVOKON EVGENIJ N,SU, PYATKIN NIKOLAJ G,SU

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