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发明名称
Improvements in and relating to advertising devices and the like
摘要
申请公布号
GB439248(A)
申请公布日期
1935.12.03
申请号
GB19340016603
申请日期
1934.06.04
申请人
KEITH ARCHIBALD COKER
发明人
分类号
G09F13/00
主分类号
G09F13/00
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代理人
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