SYSTEM FOR TESTING EXCHANGE,申请号JP19910152742-传众专利搜索

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发明名称	SYSTEM FOR TESTING EXCHANGE
摘要
申请公布号	JPH053510(A)	申请公布日期	1993.01.08
申请号	JP19910152742	申请日期	1991.06.25
申请人	NEC COMMUN SYST LTD	发明人	TANAKA KENJI
分类号	H04M3/22	主分类号	H04M3/22
代理机构		代理人
主权项
地址

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