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发明名称
The XZ-type escalating portable bookrest
摘要
申请公布号
KR200441001(Y1)
申请公布日期
2008.07.16
申请号
KR20070000216U
申请日期
2007.01.05
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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