TELEPHONE INTERCOMMUNICATION SYSTEMS,申请号GB19730050058-传众专利搜索

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发明名称	TELEPHONE INTERCOMMUNICATION SYSTEMS
摘要
申请公布号	GB1480221(A)	申请公布日期	1977.07.20
申请号	GB19730050058	申请日期	1973.10.26
申请人	GTE INT INC	发明人
分类号	H04Q3/62;(IPC1-7):H04M9/00	主分类号	H04Q3/62
代理机构		代理人
主权项
地址

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