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发明名称
Dispositif pour le remplacement rapide de l'aiguille dans le reproducteur d'un phonographe.
摘要
申请公布号
CH213938(A)
申请公布日期
1941.03.31
申请号
CHD213938
申请日期
1939.09.09
申请人
FABBRICA ITALIANA MAGNETI MARELLI S. A.
发明人
FABBRICA ITALIANA MAGNETI MARELLI S. A.
分类号
G11B3/46
主分类号
G11B3/46
代理机构
代理人
主权项
地址
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