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发明名称
Improvement of a device for display of a series of advertising posters on a display frame
摘要
申请公布号
IT1256841(B)
申请公布日期
1995.12.21
申请号
IT1992TO00482
申请日期
1992.06.05
申请人
发明人
分类号
G09F;(IPC1-7):G09F
主分类号
G09F
代理机构
代理人
主权项
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