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Year of Publication 05.08.1977
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Year of Publication 05.08.1977
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COAL-WINNING SET
PONOMARENKO VLADIMIR A,SU, ORLOV VLADIMIR F,SU, SHEMYAKIN VENIAMIN A,SU, MERTSALOV ROSTISLAV V,SU, MUKUSHEV MAJZHAN M,SU, VAREKHA ZHORZH P,SU, KRUPNIK VLADIMIR S,SU, KREJMER EVGENIJ L,SU
Year of Publication 05.02.1980
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Year of Publication 05.02.1980
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