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发明名称
Vorrichtung zur Beseitigung des Flimmerns bei Kinematographenbildern
摘要
申请公布号
DE493759(C)
申请公布日期
1930.03.13
申请号
DENDATG072596D
申请日期
申请人
FRANZ GMELIN
发明人
分类号
G03B21/40
主分类号
G03B21/40
代理机构
代理人
主权项
地址
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