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发明名称
ГИДРОАБРАЗИВНЫЙ ПЕРФОРАТОР
摘要
申请公布号
RU27939(U1)
申请公布日期
2003.02.27
申请号
RU20020128504U
申请日期
2002.10.30
申请人
Смирнов Антон Евгеньевич
发明人
Смирнов А.Е.
分类号
E21B43/114
主分类号
E21B43/114
代理机构
代理人
主权项
地址
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