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发明名称
ЭЛЕКТРОМОЛОТ
摘要
申请公布号
RU2315181(C2)
申请公布日期
2008.01.20
申请号
RU20050140498
申请日期
2005.12.23
申请人
发明人
分类号
E21C37/00;E02D7/02
主分类号
E21C37/00
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