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发明名称
METHOD OF CLEANING ALREADY GOTTEN COAL IN UNDERGROUND COAL MINE WORKINGS
摘要
申请公布号
PL352005(A1)
申请公布日期
2003.08.11
申请号
PL20020352005
申请日期
2002.02.04
申请人
LUBELSKI WEGIEL BOGDANKA SA
发明人
LOBEJKO JERZY;KOZACZUK ROMAN;KRZACZEK LESZEK;KRUKOWSKI RAJMUND;GALL JAREMI;KOWAL BOGDAN;CHMIELEWSKI JANUSZ;KASPRZAK JANUSZ;KOZA HENRYK;STACHOWICZ STANISLAW;KRASOWSKI ZBIGNIEW
分类号
E21C41/18;(IPC1-7):E21C41/18
主分类号
E21C41/18
代理机构
代理人
主权项
地址
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