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发明名称
Perfectionnement aux appareils d'enregistrement cinématographique
摘要
申请公布号
FR1009186(A)
申请公布日期
1952.05.26
申请号
FRD1009186
申请日期
1950.01.27
申请人
LA PRECISION CINEMATOGRAPHIQUE
发明人
分类号
G11B7/00
主分类号
G11B7/00
代理机构
代理人
主权项
地址
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