IMPROVEMENTS RELATING TO DUPLEX COMMUNICATIONS SYSTEMS,申请号EP19940906319-传众专利搜索

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发明名称	IMPROVEMENTS RELATING TO DUPLEX COMMUNICATIONS SYSTEMS
摘要
申请公布号	EP0683944(B1)	申请公布日期	1999.09.08
申请号	EP19940906319	申请日期	1994.02.14
申请人	LUCENT TECHNOLOGIES INC.	发明人	BEESLEY, GRAHAM, EDGAR
分类号	H04B7/26;H04H20/67;(IPC1-7):H04H3/00	主分类号	H04B7/26
代理机构		代理人
主权项
地址

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