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经营范围
发明名称
Improvements in or relating to display devices or signs for advertising or other purposes
摘要
申请公布号
GB729886(A)
申请公布日期
1955.05.11
申请号
GB19530025327
申请日期
1953.09.14
申请人
MEYER WECKSLER
发明人
分类号
G09F7/02
主分类号
G09F7/02
代理机构
代理人
主权项
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