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发明名称
DEVICE FOR BRINGING PACKER SEALING MEMBER IN OPERATION
摘要
申请公布号
RU2096583(C1)
申请公布日期
1997.11.20
申请号
RU19960109510
申请日期
1996.05.08
申请人
VANIFATEV VLADIMIR I;TERENTEV SERGEJ V;ELUFEREV YURIJ M;VLASOV ALEKSEJ V
发明人
VANIFATEV VLADIMIR I;TERENTEV SERGEJ V;ELUFEREV YURIJ M;VLASOV ALEKSEJ V
分类号
E21B33/12;(IPC1-7):E21B33/12
主分类号
E21B33/12
代理机构
代理人
主权项
地址
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