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发明名称
A ring binder
摘要
申请公布号
KR200440215(Y1)
申请公布日期
2008.05.30
申请号
KR20070018211U
申请日期
2007.11.12
申请人
发明人
分类号
B42F13/16;B42F13/00
主分类号
B42F13/16
代理机构
代理人
主权项
地址
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