A method of and a system for raw coal material concentrating in underground mining headings
KOWAL BOGDAN, STACHOWICZ STANISLAW, KRUKOWSKI RAJMUND, CHMIELEWSKI JANUSZ, KASPRZAK JANUSZ, KRZACZEK LESZEK, GALL JAREMI, LOBEJKO JERZY, KOZA HENRYK, KOZACZUK ROMAN, KRASOWSKI ZBIGNIEW
Year of Publication 31.05.2005
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Year of Publication 31.05.2005
Patent
METHOD OF CLEANING ALREADY GOTTEN COAL IN UNDERGROUND COAL MINE WORKINGS
KOWAL BOGDAN, STACHOWICZ STANISLAW, KRUKOWSKI RAJMUND, CHMIELEWSKI JANUSZ, KASPRZAK JANUSZ, KRZACZEK LESZEK, GALL JAREMI, LOBEJKO JERZY, KOZA HENRYK, KOZACZUK ROMAN, KRASOWSKI ZBIGNIEW
Year of Publication 11.08.2003
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Year of Publication 11.08.2003
Patent