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经营范围
发明名称
Improvements in or relating to advertising devices
摘要
申请公布号
GB471082(A)
申请公布日期
1937.08.27
申请号
GB19360021500
申请日期
1936.08.04
申请人
LEON ANDRE ROBERT
发明人
分类号
G09F11/02
主分类号
G09F11/02
代理机构
代理人
主权项
地址
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