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发明名称
APPARATUS FOR CLOSING-OFF A WELL
摘要
申请公布号
SU960422(A1)
申请公布日期
1982.09.23
申请号
SU19802977919
申请日期
1980.08.18
申请人
NEFTEGAZODOBYVAYUSHCHEE U "BAVLYNEFT"
发明人
KHASANOV SHAUKAT G,SU;ARTEMEV VIKTOR N,SU;GADELSHIN FAGIM M,SU
分类号
E21B43/00;(IPC1-7):E21B43/00
主分类号
E21B43/00
代理机构
代理人
主权项
地址
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