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发明名称
A signboard having RFID
摘要
申请公布号
KR20110007950(U)
申请公布日期
2011.08.10
申请号
KR20100006682U
申请日期
2010.06.24
申请人
发明人
分类号
G09F7/02;G09F7/18
主分类号
G09F7/02
代理机构
代理人
主权项
地址
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