ISDN D-channel interface,申请号EP19900118011-传众专利搜索

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发明名称	ISDN D-channel interface
摘要
申请公布号	EP0418851(B1)	申请公布日期	1996.12.18
申请号	EP19900118011	申请日期	1990.09.19
申请人	FUJITSU LIMITED	发明人	FUKUDA, KEIJI;ITO, KAZUHIKO
分类号	H04J3/12;H04M3/24;H04Q11/04;(IPC1-7):H04Q11/04	主分类号	H04J3/12
代理机构		代理人
主权项
地址

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