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发明名称
Wiedergabevorrichtung fuer die episkopische Abtastung von Tonaufzeichnungen
摘要
申请公布号
DE666837(C)
申请公布日期
1938.10.29
申请号
DENDATK136264D
申请日期
申请人
KLANGFILM G.M.B.H.
发明人
分类号
G11B7/00
主分类号
G11B7/00
代理机构
代理人
主权项
地址
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