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发明名称
Aerial advertising apparatus
摘要
申请公布号
US2282305(A)
申请公布日期
1942.05.12
申请号
US19390264822
申请日期
1939.03.29
申请人
JACOB BRUNO
发明人
BRUNO JACOB
分类号
G09F21/12
主分类号
G09F21/12
代理机构
代理人
主权项
地址
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