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发明名称	ELECTRONIC TEACHING DESK
摘要
申请公布号	KR940003137(Y1)	申请公布日期	1994.05.12
申请号	KR19920000920U	申请日期	1992.01.23
申请人	LEE, MIN - U	发明人	LEE, MIN - U
分类号	H05K5/00;(IPC1-7):H05K5/00	主分类号	H05K5/00
代理机构		代理人
主权项
地址

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