ELECTRONIC EXCHANGE TRAINING SYSTEM,申请号JP19910303683-传众专利搜索

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发明名称	ELECTRONIC EXCHANGE TRAINING SYSTEM
摘要
申请公布号	JPH05145625(A)	申请公布日期	1993.06.11
申请号	JP19910303683	申请日期	1991.11.20
申请人	NEC CORP	发明人	MATSUDA ITSURO
分类号	H04M3/00;H04Q3/545	主分类号	H04M3/00
代理机构		代理人
主权项
地址

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