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发明名称
Improvements relating to light reflecting devices for advertisement and like services
摘要
申请公布号
GB323418(A)
申请公布日期
1930.01.02
申请号
GB19290006684
申请日期
1929.03.01
申请人
JOSEPH MACNAB;HOUR SIGNS LIMITED
发明人
分类号
G09F13/14
主分类号
G09F13/14
代理机构
代理人
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