PRESENTATION DEVICE USED IN COMBINATION WITH AN OVERHEAD PROJECTOR,申请号KR19920001303U-传众专利搜索

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发明名称	PRESENTATION DEVICE USED IN COMBINATION WITH AN OVERHEAD PROJECTOR
摘要
申请公布号	KR920004278(Y1)	申请公布日期	1992.06.25
申请号	KR19920001303U	申请日期	1992.01.29
申请人	TOSHIBA CO., LTD.	发明人	HONDA, MASAMI
分类号	G03B21/00;(IPC1-7):G03B21/00	主分类号	G03B21/00
代理机构		代理人
主权项
地址

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