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发明名称
ARRANGEMENT FOR AIRING BLIND MINE WORKINGS
摘要
申请公布号
SU1553715(A1)
申请公布日期
1990.03.30
申请号
SU19884431124
申请日期
1988.05.26
申请人
NORILSKIJ GORNO-METALLURGICHESKIJ KOMBINAT IM.A.P.ZAVENYAGINA
发明人
BADAEV VYACHESLAV YU,SU;BOJKO SERGEJ V,SU;BOGDANOV MIKHAIL N,SU;ORLOV SERGEJ M,SU
分类号
E21F1/00
主分类号
E21F1/00
代理机构
代理人
主权项
地址
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