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发明名称
Portable LED display board
摘要
申请公布号
KR200423828(Y1)
申请公布日期
2006.08.11
申请号
KR20060008407U
申请日期
2006.03.30
申请人
发明人
分类号
G09F9/33
主分类号
G09F9/33
代理机构
代理人
主权项
地址
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