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发明名称
Procédé pour l'audition des sons enregistrés électro-magnétiquement sur un support pouvant être enroulé ou bobiné
摘要
申请公布号
FR1024687(A)
申请公布日期
1953.04.03
申请号
FRD1024687
申请日期
1950.09.18
申请人
发明人
JACOBI ERNST
分类号
G11B5/00;G11B5/03
主分类号
G11B5/00
代理机构
代理人
主权项
地址
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