METHOD AND APPARATUS FOR DETECTING SWITCH FAULT,申请号JP19860188833-传众专利搜索

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发明名称	METHOD AND APPARATUS FOR DETECTING SWITCH FAULT
摘要
申请公布号	JPS6345951(A)	申请公布日期	1988.02.26
申请号	JP19860188833	申请日期	1986.08.12
申请人	NIPPON TELEGR & TELEPH CORP <NTT>;NEC CORP	发明人	YAMADA HIROKI;SANBE TAKESHI;SAKURAI YOSHIHISA
分类号	H04M3/26;H04Q1/24	主分类号	H04M3/26
代理机构		代理人
主权项
地址

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