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发明名称
HYDRAULIC DRIVE OF OIL-WELL SUCKER-ROD PUMP
摘要
申请公布号
SU1642069(A1)
申请公布日期
1991.04.15
申请号
SU19894682737
申请日期
1989.04.24
申请人
MO I NEFTI GAZA IM.I.M.GUBKINA
发明人
BUDAGYAN SERGEJ A,SU;SHESTOPEROV VASILIJ M,SU;MOLCHANOV GEORGIJ V,SU;MOLCHANOV ALEKSANDR G,SU;SEMENCHENKO IGOR V,SU
分类号
F04B47/04
主分类号
F04B47/04
代理机构
代理人
主权项
地址
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