ELECTRONIC TELEPHONE NETWORK,申请号GB19760027032-传众专利搜索

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发明名称	ELECTRONIC TELEPHONE NETWORK
摘要
申请公布号	GB1532889(A)	申请公布日期	1978.11.22
申请号	GB19760027032	申请日期	1976.06.29
申请人	INT STANDARD ELECTRIC CORP	发明人
分类号	H04M1/60;H04L25/02;H04L25/03;H04M1/76;(IPC1-7):H04M1/76	主分类号	H04M1/60
代理机构		代理人
主权项
地址

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