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发明名称
UEbertragungsvorrichtung fuer die Wiedergabe von Tonaufzeichnungen in Halbwellenschrift
摘要
申请公布号
DE871533(C)
申请公布日期
1953.03.23
申请号
DE1939U000703D
申请日期
1939.02.02
申请人
UNIVERSUM-FILM A. G.
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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