COMMUNICATION LINE SWITCHING SYSTEM AT FAULT STATE OF MODEM,申请号JP19900255052-传众专利搜索

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发明名称	COMMUNICATION LINE SWITCHING SYSTEM AT FAULT STATE OF MODEM
摘要
申请公布号	JPH04134942(A)	申请公布日期	1992.05.08
申请号	JP19900255052	申请日期	1990.09.27
申请人	NEC CORP	发明人	HASHIMOTO AKIRA
分类号	H04L1/22;H04L25/02;H04L29/14	主分类号	H04L1/22
代理机构		代理人
主权项
地址

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