Transmission bridge for telephone subscriber's line circuit,申请号GB19790036047-传众专利搜索

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发明名称	Transmission bridge for telephone subscriber's line circuit
摘要
申请公布号	GB2034557(A)	申请公布日期	1980.06.04
申请号	GB19790036047	申请日期	1979.10.17
申请人	PHILIPS NV	发明人
分类号	H04Q3/72;H04M3/02;H04M19/00;(IPC1-7):H04M3/18	主分类号	H04Q3/72
代理机构		代理人
主权项
地址

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