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发明名称
METHOD AND APPARATUS FOR PROVIDING PERMANENT MAGNETIC SIGNATURES IN BURIED CABLES AND PIPES
摘要
申请公布号
EP1200971(A1)
申请公布日期
2002.05.02
申请号
EP19990927300
申请日期
1999.06.08
申请人
CLOUTIER, PAUL;MARZOLF, TIMOTHY I.;OEHME, DELBERT R.;STEBBINGS, RONALD F.
发明人
CLOUTIER, PAUL A.;MARZOLF, TIMOTHY I.;OEHME, DELBERT R.;STEBBINGS, RONALD F.
分类号
G01R33/02;G02B6/44;G02B6/00;H01B13/34;H01F13/00;H02G9/00;H02G9/02;(IPC1-7):H01F1/00;H01F3/00;H01F7/00;H01F7/02;H01F7/20
主分类号
G01R33/02
代理机构
代理人
主权项
地址
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