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发明名称
Appareil d'enregistrement et de restitution portable et éléments d'enregistrement nouveaux pour un tel appareil
摘要
申请公布号
FR1507431(A)
申请公布日期
1967.12.29
申请号
FR19670089862
申请日期
1967.01.03
申请人
GENERAL ELECTRIC COMPANY
发明人
分类号
G11B3/08
主分类号
G11B3/08
代理机构
代理人
主权项
地址
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