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发明名称
Aerial advertising device
摘要
申请公布号
US1903131(A)
申请公布日期
1933.03.28
申请号
US19310531219
申请日期
1931.04.19
申请人
JOHN PICCO
发明人
PICCO JOHN
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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