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发明名称
Advertising device
摘要
申请公布号
US1793302(A)
申请公布日期
1931.02.17
申请号
US19290371355
申请日期
1929.06.17
申请人
CHARLES H. BAUER COMPANY
发明人
BAUER CHARLES H.;ROBERTS CHARLES
分类号
G09F11/34
主分类号
G09F11/34
代理机构
代理人
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地址
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