ISDN MESSAGE VALIDITY DECISION DEVICE,申请号JP19900171437-传众专利搜索

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发明名称	ISDN MESSAGE VALIDITY DECISION DEVICE
摘要
申请公布号	JPH0461496(A)	申请公布日期	1992.02.27
申请号	JP19900171437	申请日期	1990.06.29
申请人	NEC CORP	发明人	ASAO YOSHIMI
分类号	H04L1/00;H04Q1/30;H04Q3/545	主分类号	H04L1/00
代理机构		代理人
主权项
地址

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