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发明名称
CASING ISOLATING ARRANGEMENT
摘要
申请公布号
SU832064(A1)
申请公布日期
1981.05.23
申请号
SU19792754124
申请日期
1979.04.17
申请人
G GEOFIZICHESKIJ TREST "TATNEFTEGEOFIZIKA"
发明人
ZUBOV YURIJ V,SU;KORZHENEVSKIJ ARNOLD G,SU;TEREGULOV OLEG A,SU
分类号
E21B33/14;(IPC1-7):E21B33/14
主分类号
E21B33/14
代理机构
代理人
主权项
地址
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