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发明名称
Рекламное устройство для получения сменяющихся изображений
摘要
申请公布号
SU19906(A1)
申请公布日期
1931.03.31
申请号
SUD19906
申请日期
1930.04.03
申请人
PEREVERZEV B.V.
发明人
PEREVERZEV B.V.
分类号
G09F11/23
主分类号
G09F11/23
代理机构
代理人
主权项
地址
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