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发明名称
Outdoor advertising structure
摘要
申请公布号
US1792701(A)
申请公布日期
1931.02.17
申请号
US19300472286
申请日期
1930.08.01
申请人
MCCLINTICMARSHALL COMPANY
发明人
OVERHOLTZ GEORGE D.
分类号
G09F15/00
主分类号
G09F15/00
代理机构
代理人
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