METHOD AND APPARATUS FOR INSCRIBING MAGNETIC MARKS ON A WIRE LINE,申请号EG19770000608-传众专利搜索

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发明名称	METHOD AND APPARATUS FOR INSCRIBING MAGNETIC MARKS ON A WIRE LINE
摘要
申请公布号	EG13117(A)	申请公布日期	1980.12.31
申请号	EG19770000608	申请日期	1977.10.23
申请人	SCHLUMBERGER OVERSEAS SA	发明人
分类号	G01B7/00;E21B47/04;G01B7/04;G01C13/00;H01B13/34;H01F13/00;(IPC1-7):H01B7/36;G01V3/00	主分类号	G01B7/00
代理机构		代理人
主权项
地址

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