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发明名称
Mekanisk avstengningsventil
摘要
申请公布号
NO20006156(A)
申请公布日期
2001.02.05
申请号
NO20000006156
申请日期
2000.12.04
申请人
SCHLUMBERGER TECHNOLOGY BV
发明人
EDVARDS, GLEN A;HUBER, KLAUS;PETEGEM, CHARLES VAN;BABINEAU, JAMES W.
分类号
E21B23/04;E21B34/10;E21B43/1185;(IPC1-7):E21B43/118
主分类号
E21B23/04
代理机构
代理人
主权项
地址
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