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发明名称
СКВАЖИННОЕ УСТРОЙСТВО ДЛЯ ИЗБИРАТЕЛЬНОЙ ПЕРЕКАЧКИФЛЮИДА
摘要
申请公布号
RU2317403(C2)
申请公布日期
2008.02.20
申请号
RU20050109925
申请日期
2003.09.05
申请人
发明人
分类号
E21B43/02;E21B43/08;E21B43/32
主分类号
E21B43/02
代理机构
代理人
主权项
地址
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