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发明名称
Скважинная штанговая насосная установка для добычи высоковязкой нефти
摘要
申请公布号
RU35134(U1)
申请公布日期
2003.12.27
申请号
RU20030126314U
申请日期
2003.08.27
申请人
发明人
分类号
F04B47/02
主分类号
F04B47/02
代理机构
代理人
主权项
地址
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