METHOD OF ASSESSING ABSOLUTE CRAMP HAZARD STATE IN HARD COAL MINES,申请号PL19950308724-传众专利搜索

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发明名称	METHOD OF ASSESSING ABSOLUTE CRAMP HAZARD STATE IN HARD COAL MINES
摘要
申请公布号	PL175913(B1)	申请公布日期	1999.03.31
申请号	PL19950308724	申请日期	1995.05.22
申请人	GLOWNY INSTYTUT GORNICTWA	发明人	DUBINSKI JOZEF;KORNOWSKI JERZY;MARKOWSKI EDWARD;TROMBIK MIROSLAW
分类号	E21C37/12;E21F5/00	主分类号	E21C37/12
代理机构		代理人
主权项
地址

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