METHOD AND MARKER ELEMENT FOR MARKING, LOCATING, TRACING COVERED ARTICLES, FAVOURABLY BURIED OPTICAL CABLES BY MEANS OF PERMANENT MAGNET,申请号HU19900003558-传众专利搜索

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发明名称	METHOD AND MARKER ELEMENT FOR MARKING, LOCATING, TRACING COVERED ARTICLES, FAVOURABLY BURIED OPTICAL CABLES BY MEANS OF PERMANENT MAGNET
摘要
申请公布号	HUT57911(A)	申请公布日期	1991.12.30
申请号	HU19900003558	申请日期	1990.02.07
申请人	SCHONSTEDT INSTRUMENT CO	发明人	RIPPINGALE JOHN B;UPTON CHARLES R;SCHONSTEDT ERICK O;OSMAN BRADLEY L
分类号	G01V3/00;G01V3/08;G01V15/00;G02B6/44;(IPC1-7):G01V3/08;G01V3/165;F16L55/00;H02G9/00;H01F7/02	主分类号	G01V3/00
代理机构		代理人
主权项
地址

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