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经营范围
发明名称
A downhole actuator including a sealing bellows
摘要
申请公布号
GB2363413(B)
申请公布日期
2003.08.06
申请号
GB20010020633
申请日期
2000.02.25
申请人
* SCHLUMBERGER HOLDINGS LIMITED
发明人
STEPHANE * HIRON;CHRISTOPHE * RAYSSIGUIER;VINCENT * TOURILLON;GILLES * CANTIN
分类号
E21B34/06;(IPC1-7):E21B34/06
主分类号
E21B34/06
代理机构
代理人
主权项
地址
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