METHOD OF MINING THIN STEEPLY RUNNING COAL DEPOSITS,申请号PL19910289321-传众专利搜索

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发明名称	METHOD OF MINING THIN STEEPLY RUNNING COAL DEPOSITS
摘要
申请公布号	PL164993(B1)	申请公布日期	1994.10.31
申请号	PL19910289321	申请日期	1991.03.06
申请人	GLOWNY INSTYTUT GORNICTWA	发明人	JUNIEWICZ STANISLAW;BILINSKI ALFRED;KOSTYK TADEUSZ;STANIK WALDEMAR;KOZLOWSKI DANIEL;KULAKOW WIKTOR;MOSKALEW PAWEL;JASTRZAB ALOJZY;BIEL IRENEUSZ;SZEWCZYK STANISLAW
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
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