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发明名称
Flux orientation locating in a drilling system
摘要
申请公布号
US6838881(B2)
申请公布日期
2005.01.04
申请号
US20030747467
申请日期
2003.12.29
申请人
发明人
分类号
E21B47/022;G01C9/06;G01C9/20;G01V3/11;G01V3/15;G01V3/165;(IPC1-7):G01V3/08
主分类号
E21B47/022
代理机构
代理人
主权项
地址
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