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经营范围
发明名称
Improvements in or relating to illuminated display signs
摘要
申请公布号
GB469315(A)
申请公布日期
1937.07.19
申请号
GB19350034966
申请日期
1935.12.17
申请人
FRITZ STAHL
发明人
分类号
G09F13/00
主分类号
G09F13/00
代理机构
代理人
主权项
地址
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