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经营范围
发明名称
Improvements in and relating to signs, showcards, bills or the like
摘要
申请公布号
GB475555(A)
申请公布日期
1937.11.19
申请号
GB19360014156
申请日期
1936.05.19
申请人
ALEXANDER GEORGE MATTHEWS;ALFRED LEVY
发明人
分类号
G09F15/02
主分类号
G09F15/02
代理机构
代理人
主权项
地址
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