TESTING TELEPHONE LINES,申请号GB19870002753-传众专利搜索

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发明名称	TESTING TELEPHONE LINES
摘要
申请公布号	GB2185170(B)	申请公布日期	1988.06.02
申请号	GB19870002753	申请日期	1987.02.06
申请人	* STC PLC	发明人	BERNARD STUART EARL * MILLS
分类号	H04M3/30;(IPC1-7):H04Q1/446	主分类号	H04M3/30
代理机构		代理人
主权项
地址

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