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发明名称
Dispositif d'enregistrement de signaux
摘要
申请公布号
FR1126885(A)
申请公布日期
1956.12.03
申请号
FRD1126885
申请日期
1955.07.01
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
G11B20/20;G11B20/22;H04N5/95
主分类号
G11B20/20
代理机构
代理人
主权项
地址
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