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发明名称
CABLE-AND-PISTON DRILL FEEDER
摘要
申请公布号
RU1825396(C)
申请公布日期
1993.06.30
申请号
SU19915014338
申请日期
1991.07.04
申请人
ACHISAJSKIJ POLIMETALLICHESKIJ KOMBINAT
发明人
GABCHENKO VALERIJ N;MORGACHEV MIKHAIL G
分类号
E21B19/084
主分类号
E21B19/084
代理机构
代理人
主权项
地址
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