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发明名称
Advertising or display device
摘要
申请公布号
US1890258(A)
申请公布日期
1932.12.06
申请号
US19300426534
申请日期
1930.02.07
申请人
LEO H. FULLER, INC.
发明人
HINSON JAY B.
分类号
G09F1/06
主分类号
G09F1/06
代理机构
代理人
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