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发明名称
Nouveau procédé d'enregistrement magnétique des sons par haute fréquence modulée
摘要
申请公布号
FR975388(A)
申请公布日期
1951.03.05
申请号
FRD975388
申请日期
1948.11.23
申请人
发明人
OLIVERES CHARLES
分类号
G11B5/03
主分类号
G11B5/03
代理机构
代理人
主权项
地址
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