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发明名称
Aufnahme und Wiedergabe von Tonaufzeichnungen, die abschnittweise in der Laengsrichtung des Films in Reihen nebeneinanderliegen
摘要
申请公布号
DE693736(C)
申请公布日期
1940.07.19
申请号
DE1933T042347D
申请日期
1933.03.30
申请人
RUDOLPH THUN
发明人
分类号
G11B7/00
主分类号
G11B7/00
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代理人
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