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发明名称
Advertising device
摘要
申请公布号
US1827167(A)
申请公布日期
1931.10.13
申请号
US19300493392
申请日期
1930.11.04
申请人
REGAN PAUL H
发明人
REGAN PAUL H.
分类号
G09F1/12
主分类号
G09F1/12
代理机构
代理人
主权项
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