ISDN terminal having diagnostic function,申请号EP19910308312-传众专利搜索

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发明名称	ISDN terminal having diagnostic function
摘要
申请公布号	EP0475749(B1)	申请公布日期	1996.04.24
申请号	EP19910308312	申请日期	1991.09.11
申请人	NEC CORPORATION	发明人	YAMADA, MASAYUKI
分类号	H04L29/14;H04L29/06;H04M3/24;H04M3/30;H04M11/00;H04Q11/04;(IPC1-7):H04Q11/04;H04M11/06;H04M3/22	主分类号	H04L29/14
代理机构		代理人
主权项
地址

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