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经营范围
发明名称
Procédé permettant l'utilisation de fils ou de bandes non perforées pour le son, avec des appareils cinématographiques, et appareils et matériels pour la mise en oeuvre de ce procédé
摘要
申请公布号
FR1038279(A)
申请公布日期
1953.09.28
申请号
FRD1038279
申请日期
1951.06.08
申请人
发明人
LEBLOND ALBERT-GEORGES
分类号
G11B15/28
主分类号
G11B15/28
代理机构
代理人
主权项
地址
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