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发明名称
Ekspanderende forlengelserorhenger og fremgangsmate for a sette forlengelserorhengeren
摘要
申请公布号
NO20040719(A)
申请公布日期
2004.04.01
申请号
NO20040000719
申请日期
2004.02.19
申请人
WEATHERFORD/LAMB INC
发明人
HIRTH DAVID E
分类号
E21B43/10;(IPC1-7):E21B43/10;E21B23/04
主分类号
E21B43/10
代理机构
代理人
主权项
地址
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