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发明名称
DRIVE OF SUCKER-ROD SCREW PUMP
摘要
申请公布号
RU1808102(C)
申请公布日期
1993.04.07
申请号
SU19904896441
申请日期
1990.12.27
申请人
ZAJTSEV YURIJ V;MOLCHANOV ALEKSANDR G
发明人
ZAJTSEV YURIJ V;MOLCHANOV ALEKSANDR G
分类号
F04B47/02;(IPC1-7):F04B47/02
主分类号
F04B47/02
代理机构
代理人
主权项
地址
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