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发明名称
APPARATUS FOR MARKING-OUT BLAST-HOLE HEADS
摘要
申请公布号
SU1025883(A1)
申请公布日期
1983.06.30
申请号
SU19813278686
申请日期
1981.04.17
申请人
NORILSKIJ GORNO-METALLURGICHESKIJ KOMBINAT IM.A.P.ZAVENYAGINA
发明人
ZYRYANOV VLADIMIR A,SU;KONOVALOV ANATOLIJ P,SU;ORLOV SERGEJ A,SU
分类号
E21C37/00;(IPC1-7):E21C37/00
主分类号
E21C37/00
代理机构
代理人
主权项
地址
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