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发明名称
Pincushion advertising device
摘要
申请公布号
US2002766(A)
申请公布日期
1935.05.28
申请号
US19330685319
申请日期
1933.08.16
申请人
CARLSTON HENRY F
发明人
CARLSTON HENRY F.
分类号
G09F23/00
主分类号
G09F23/00
代理机构
代理人
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