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发明名称
A portable book stand
摘要
申请公布号
KR200445455(Y1)
申请公布日期
2009.03.17
申请号
KR20070015212U
申请日期
2007.09.12
申请人
发明人
分类号
A47B23/04;A47B23/00
主分类号
A47B23/04
代理机构
代理人
主权项
地址
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