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发明名称
Umschaltvorrichtung zur pausenlosen Wiedergabe von Bildtonfilmen
摘要
申请公布号
DE537501(C)
申请公布日期
1931.11.04
申请号
DED537501D
申请日期
1930.05.27
申请人
SCHLESISCHE KINO-ZENTRALE LEHMANN & KNETSCH
发明人
分类号
G03B31/00
主分类号
G03B31/00
代理机构
代理人
主权项
地址
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