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发明名称
METHOD OF CONSTRUCTING AN ORE CHUTE
摘要
申请公布号
SU1645519(A1)
申请公布日期
1991.04.30
申请号
SU19894632121
申请日期
1989.01.04
申请人
NORILSKIJ GORNO-METALLURGICHESKIJ KOMBINAT IM.A.P.ZAVENYAGINA
发明人
BOJKO SERGEJ V,SU;BADAEV VYACHESLAV YU,SU;BOGDANOV MIKHAIL N,SU;FEDORENKO BORIS V,SU;VECHKITOV ALEKSEJ V,SU
分类号
E21C41/16
主分类号
E21C41/16
代理机构
代理人
主权项
地址
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