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经营范围
发明名称
Устройство для проектирования на экран периодически сменяющихся рекламных изображений
摘要
申请公布号
SU20946(A1)
申请公布日期
1931.05.31
申请号
SU19300067576
申请日期
1930.04.03
申请人
PEREVERZEV B.V.
发明人
PEREVERZEV B.V.
分类号
G03B31/04;G09F13/34;G09F19/18
主分类号
G03B31/04
代理机构
代理人
主权项
地址
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