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发明名称
Improvements in illuminated signs and the like
摘要
申请公布号
GB590833(A)
申请公布日期
1947.07.30
申请号
GB19450000993
申请日期
1945.01.12
申请人
LEONARD AUDLEY MANN
发明人
分类号
G09G3/00
主分类号
G09G3/00
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代理人
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