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发明名称
СПОСОБ БУРЕНИЯ ГОРНЫХ ПОРОД И УСТРОЙСТВО ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ
摘要
申请公布号
RU2315165(C1)
申请公布日期
2008.01.20
申请号
RU20060123172
申请日期
2006.06.29
申请人
发明人
分类号
E21B7/00
主分类号
E21B7/00
代理机构
代理人
主权项
地址
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