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经营范围
发明名称
Improvements in or relating to advertising, indicating and like apparatus
摘要
申请公布号
GB425437(A)
申请公布日期
1935.03.14
申请号
GB19340016651
申请日期
1934.06.04
申请人
FRITZ HAYN
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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