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发明名称
Advertising device
摘要
申请公布号
US2016022(A)
申请公布日期
1935.10.01
申请号
US19320587614
申请日期
1932.01.20
申请人
PHILIPPI EDWARD H
发明人
PHILIPPI EDWARD H.
分类号
G09F11/29
主分类号
G09F11/29
代理机构
代理人
主权项
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