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发明名称
Hydraulisk forlengelsessensor
摘要
申请公布号
NO20014408(D0)
申请公布日期
2001.09.11
申请号
NO20010004408
申请日期
2001.09.11
申请人
SCHLUMBERGER TECHNOLOGY BV
发明人
SWEETLAND, MATTHEW;HANSEN, MERLIN D
分类号
E21B23/14;(IPC1-7):E21B
主分类号
E21B23/14
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代理人
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