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发明名称
A SCREEN EXPANSION APPARATUS
摘要
申请公布号
KR200411022(Y1)
申请公布日期
2006.03.09
申请号
KR20050036421U
申请日期
2005.12.27
申请人
发明人
分类号
G02B25/00
主分类号
G02B25/00
代理机构
代理人
主权项
地址
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