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发明名称
Забойный двигатель
摘要
申请公布号
RU29552(U1)
申请公布日期
2003.05.20
申请号
RU20020130317U
申请日期
2002.11.12
申请人
Шардаков Михаил Валерьевич;Лузгин Сергей Анатольевич
发明人
Шардаков М.В.;Лузгин С.А.
分类号
E21B4/02
主分类号
E21B4/02
代理机构
代理人
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地址
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