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发明名称
Advertising device
摘要
申请公布号
US1747449(A)
申请公布日期
1930.02.18
申请号
US19280252011
申请日期
1928.02.04
申请人
LUCITT WILLIAM F
发明人
LUCITT WILLIAM F.
分类号
G09F19/18
主分类号
G09F19/18
代理机构
代理人
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