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发明名称
Plattensprechmaschine, deren Plattenteller mit veraenderlicher Winkelgeschwindigkeit bewegbar ist
摘要
申请公布号
DE547583(C)
申请公布日期
1932.03.26
申请号
DE1929J039233D
申请日期
1929.09.08
申请人
LOUIS LAURENT CHARLES JAFFARD
发明人
分类号
G11B19/28
主分类号
G11B19/28
代理机构
代理人
主权项
地址
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