LINE DISCONNECTION DETECTION SYSTEM FOR SUBSCRIBER'S LINE,申请号JP19930128965-传众专利搜索

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发明名称	LINE DISCONNECTION DETECTION SYSTEM FOR SUBSCRIBER'S LINE
摘要
申请公布号	JPH06338942(A)	申请公布日期	1994.12.06
申请号	JP19930128965	申请日期	1993.05.31
申请人	NEC CORP	发明人	TSUJIMURA YASUHIRO
分类号	H04M3/26;H04Q3/42;(IPC1-7):H04M3/26	主分类号	H04M3/26
代理机构		代理人
主权项
地址

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