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发明名称	GRAPHIC EQUALIZER DEVICE
摘要
申请公布号	KR900001438(Y1)	申请公布日期	1990.02.26
申请号	KR19870001303U	申请日期	1987.02.07
申请人	YUYANG CHEMICAL CO.LTD.	发明人	CHO SO-ON
分类号	H03F1/56;(IPC1-7):H03F1/56	主分类号	H03F1/56
代理机构		代理人
主权项
地址

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