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发明名称
Advertising device
摘要
申请公布号
US2098568(A)
申请公布日期
1937.11.09
申请号
US19370120677
申请日期
1937.01.15
申请人
UNITED SPECIALTIES SALES CORPORATION
发明人
CONE HAYES
分类号
G09F1/06
主分类号
G09F1/06
代理机构
代理人
主权项
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