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发明名称
Advertising device
摘要
申请公布号
US2110646(A)
申请公布日期
1938.03.08
申请号
US19370121744
申请日期
1937.01.22
申请人
CURRIE WILLIAM F
发明人
CURRIE WILLIAM F.
分类号
G09F11/23
主分类号
G09F11/23
代理机构
代理人
主权项
地址
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