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发明名称
Vorrichtung zum Einstellen der Drehzahl fuer den elektrischen Antrieb von Schallplattenapparaten
摘要
申请公布号
DE517939(C)
申请公布日期
1931.02.11
申请号
DENDATL072182D
申请日期
申请人
CARL LINDSTROEM AKT.-GES.
发明人
分类号
G11B19/28
主分类号
G11B19/28
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代理人
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