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发明名称
Procédé et appareil pour l'enregistrement et la lecture d'images invisibles sur une surface magnétique
摘要
申请公布号
FR1029216(A)
申请公布日期
1953.05.29
申请号
FRD1029216
申请日期
1950.12.06
申请人
发明人
COUTANT ANDRE-CLEMENT;MATHOT JACQUES
分类号
G11B5/53;H04N5/782
主分类号
G11B5/53
代理机构
代理人
主权项
地址
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