Device and method for indicating underground object,申请号GB19900021711-传众专利搜索

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发明名称	Device and method for indicating underground object
摘要
申请公布号	GB2243201(A)	申请公布日期	1991.10.23
申请号	GB19900021711	申请日期	1990.10.05
申请人	CHRISTOPHER JAMES * HARVEY;DEREK MICHAEL * MORGAN	发明人	CHRISTOPHER JAMES * HARVEY;DEREK MICHAEL * MORGAN
分类号	C08J5/18;F16L1/11;G01M3/04;H02G9/02	主分类号	C08J5/18
代理机构		代理人
主权项
地址

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