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发明名称
Advertising apparatus
摘要
申请公布号
US2070542(A)
申请公布日期
1937.02.09
申请号
US19360064251
申请日期
1936.02.17
申请人
CURTIS PUBLISHING COMPANY
发明人
BROWN EGBERT F.
分类号
G09F11/02
主分类号
G09F11/02
代理机构
代理人
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