Method for the underground exploitation of single bed deposits in protecting pillar of a pit shaft
DZEGNIUK BOGDAN, PIWOWARSKI WIESLAW, NIEDOJADLO ZYGMUNT, DEBKOWSKI RAFAL, POPIOLEK EDWARD, WROBEL JERZY, KLECZEK ZDZISLAW, OSTROWSKI JANUSZ, PLUCINSKI PIOTR, ZORYCHTA ANDRZEJ, STANKIEWICZ ANDRZEJ
Year of Publication 31.01.2013
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Year of Publication 31.01.2013
Patent