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经营范围
发明名称
SIGNBOARD, IMAGE DISPLAY METHOD, SIGNBOARD CONTROL SYSTEM
摘要
申请公布号
KR100528999(B1)
申请公布日期
2005.11.16
申请号
KR20030053654
申请日期
2003.08.02
申请人
发明人
分类号
G09F19/18;(IPC1-7):G09F19/18
主分类号
G09F19/18
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代理人
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