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发明名称
Einrichtung zur pausenlosen Vorfuehrung von Filmen
摘要
申请公布号
DE543851(C)
申请公布日期
1932.02.10
申请号
DED543851D
申请日期
申请人
PAUL KRANZ
发明人
分类号
G03B21/50
主分类号
G03B21/50
代理机构
代理人
主权项
地址
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