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发明名称
Innfelt gripeinnretning
摘要
申请公布号
NO20042738(A)
申请公布日期
2004.06.29
申请号
NO20040002738
申请日期
2004.06.29
申请人
WEATHERFORD/LAMB INC
发明人
SHAHIN DAVID OTHMAN;HEIDECKE KARSTEN
分类号
E21B19/10;E21B19/24;(IPC1-7):E21B41/00;E21B40/00
主分类号
E21B19/10
代理机构
代理人
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