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发明名称
A
摘要
申请公布号
KR200401080(Y1)
申请公布日期
2005.11.29
申请号
KR20050025196U
申请日期
2005.08.31
申请人
发明人
分类号
G09B23/18;(IPC1-7):G09B23/18
主分类号
G09B23/18
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代理人
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地址
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