A TELEPHONE LINE TEST DEVICE USING DIFFERENTIAL AMPLIFIER,申请号KR19960007508-传众专利搜索

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发明名称	A TELEPHONE LINE TEST DEVICE USING DIFFERENTIAL AMPLIFIER
摘要
申请公布号	KR100177361(B1)	申请公布日期	1999.05.15
申请号	KR19960007508	申请日期	1996.03.20
申请人	WOO JIN E&T CO., LTD.	发明人	LEE, JAE-HEE
分类号	H04M1/24;(IPC1-7):H04M1/24	主分类号	H04M1/24
代理机构		代理人
主权项
地址

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