DETECTION SYSTEM FOR FAULT IN CONTROLLER FOR EXCHANGE,申请号JP19910257421-传众专利搜索

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发明名称	DETECTION SYSTEM FOR FAULT IN CONTROLLER FOR EXCHANGE
摘要
申请公布号	JPH05103083(A)	申请公布日期	1993.04.23
申请号	JP19910257421	申请日期	1991.10.04
申请人	NEC CORP	发明人	HAGIWARA HIDEJI
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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