APPARATUS FOR REGULATING A FOCUS OF OVER HEAD PROJECTOR,申请号KR19990027516U-传众专利搜索

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发明名称	APPARATUS FOR REGULATING A FOCUS OF OVER HEAD PROJECTOR
摘要
申请公布号	KR200182473(Y1)	申请公布日期	2000.05.15
申请号	KR19990027516U	申请日期	1999.12.08
申请人	OH, CHAE YOUN	发明人	OH, CHAE YOUN
分类号	G03B21/53;(IPC1-7):G03B21/53	主分类号	G03B21/53
代理机构		代理人
主权项
地址

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