TELEPHONE APPARATUS COMPRISING A PLURALITY OF SUBSCRIBER STATIONS CONNECTABLE TO A TWO WIRE LINE,申请号GB19740053236-传众专利搜索

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发明名称	TELEPHONE APPARATUS COMPRISING A PLURALITY OF SUBSCRIBER STATIONS CONNECTABLE TO A TWO WIRE LINE
摘要
申请公布号	GB1494749(A)	申请公布日期	1977.12.14
申请号	GB19740053236	申请日期	1974.12.09
申请人	WESTERN ELECTRIC CO INC	发明人
分类号	H04Q3/58;H04M9/00;(IPC1-7):H04M3/02;H04Q5/00	主分类号	H04Q3/58
代理机构		代理人
主权项
地址

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