METHOD OF CONVERTING COPPER MATTE von SHEVYAKOV PETR G,SU, GAFAROV RAUF A,SU, BEZDENEZHNYKH GENNADIJ A,SU, SHCHETKIN VLADIMIR B,SU, EMANUILOV VLADIMIR G,SU, TYUMEROV ANATOLIJ I,SU, SUKHOVERKHOV VLADIMIR K,SU

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TELESCOPIC DRILLING DERRICK von GORIN ALEKSANDR V,SU, NABEREZHNOV GEORGIJ N,SU, VOLOCHAJ PETR K,SU, VOLKOV ARKADIJ G,SU, TSAREGRADSKIJ YURIJ P,SU, SHEVYAKOV IVAN G,SU, DEMIN ALEKSANDR V,SU, ABRAMOV ALEKSEJ N,SU

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