CENTRAL OFFICE LINE INTERFACE DEVICE IN A PRIVATE SWITCHING SYSTEM AND A METHOD THEREOF, PARTICULARLY IN REFERENCE TO MONITORING A STATE OF A CENTRAL OFFICE LINE, TO TAKE AN EQUIVALENT ACTION,申请号KR19970080850-传众专利搜索

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发明名称	CENTRAL OFFICE LINE INTERFACE DEVICE IN A PRIVATE SWITCHING SYSTEM AND A METHOD THEREOF, PARTICULARLY IN REFERENCE TO MONITORING A STATE OF A CENTRAL OFFICE LINE, TO TAKE AN EQUIVALENT ACTION
摘要
申请公布号	KR100496190(B1)	申请公布日期	2005.06.09
申请号	KR19970080850	申请日期	1997.12.31
申请人	SAMSUNG ELECTRONICS CO., LTD.	发明人	MIN, GYEONG HWA
分类号	H04M3/22;(IPC1-7):H04M3/22	主分类号	H04M3/22
代理机构		代理人
主权项
地址

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