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发明名称
An advertising device for opening sealed theatre programmes, and the like
摘要
申请公布号
GB388942(A)
申请公布日期
1933.03.09
申请号
GB19320009091
申请日期
1932.03.30
申请人
SIDNEY HERBERT JONES
发明人
分类号
G09F23/10
主分类号
G09F23/10
代理机构
代理人
主权项
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