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发明名称
ШАРОШЕЧНЫЙ КАЛИБРАТОР
摘要
申请公布号
RU2333342(C1)
申请公布日期
2008.09.10
申请号
RU20060144912
申请日期
2006.12.19
申请人
发明人
分类号
E21B10/30
主分类号
E21B10/30
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代理人
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