Telephone line tester,申请号GB19890017056-传众专利搜索

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发明名称	Telephone line tester
摘要
申请公布号	GB2235110(A)	申请公布日期	1991.02.20
申请号	GB19890017056	申请日期	1989.07.26
申请人	* ASTRALUX DYNAMICS LIMITED	发明人	STEFAN * BORRELL
分类号	G01R31/02;H04M3/30;H04Q1/446	主分类号	G01R31/02
代理机构		代理人
主权项
地址

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