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发明名称
Vorrichtung zum Verschieben eines von einem Tonarm getragenen Aufzeichnungsstiftes in radialer Richtung über den Drehtisch einer Sprechmaschine.
摘要
申请公布号
AT130776(B)
申请公布日期
1932.12.10
申请号
ATD130776
申请日期
1931.09.05
申请人
HUGH PATRICK FAY
发明人
HUGH PATRICK FAY
分类号
主分类号
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