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发明名称
Method and apparatus for actuating a downhole tool
摘要
申请公布号
GB9521587(D0)
申请公布日期
1995.12.20
申请号
GB19950021587
申请日期
1995.10.20
申请人
BAKER HUGHES INCORPORATED
发明人
分类号
E21B23/04;E21B34/06
主分类号
E21B23/04
代理机构
代理人
主权项
地址
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