SELF DIAGNOSING APPARATUS OF EXCHANGE,申请号KR19970037139U-传众专利搜索

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发明名称	SELF DIAGNOSING APPARATUS OF EXCHANGE
摘要
申请公布号	KR200178139(Y1)	申请公布日期	2000.05.01
申请号	KR19970037139U	申请日期	1997.12.13
申请人	LG INFORMATION & COMMUNICATIONS LTD.	发明人	CHOI, SEONGGON
分类号	H04M3/00;(IPC1-7):H04M3/00	主分类号	H04M3/00
代理机构		代理人
主权项
地址

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