A question inputing apparatus, a question display apparatus and desk thereby,申请号KR20050020465U-传众专利搜索

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发明名称	A question inputing apparatus, a question display apparatus and desk thereby
摘要
申请公布号	KR200396747(Y1)	申请公布日期	2005.09.26
申请号	KR20050020465U	申请日期	2005.07.14
申请人		发明人
分类号	(IPC1-7):G06F19/00I	主分类号	(IPC1-7):G06F19/00I
代理机构		代理人
主权项
地址

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