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
Method and system for the enrichment of coal raw material in the underground mine excavations
KOWAL BOGDAN, STACHOWICZ STANIS AW, KRUKOWSKI RAJMUND, CHMIELEWSKI JANUSZ, KASPRZAK JANUSZ, KRZACZEK LESZEK, GALL JAREMI, KOZA HENRYK, OBEJKO JERZY, KOZACZUK ROMAN, KRASOWSKI ZBIGNIEW
Year of Publication 25.06.2007
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Year of Publication 25.06.2007
Patent