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经营范围
发明名称
Dispositif d'entraînement continu, à vitesse constante, et ses applications notamment aux fils ou bandes magnétiques et aux films en vue de l'enregistrement
摘要
申请公布号
FR59768(E)
申请公布日期
1954.07.19
申请号
FRD59768
申请日期
1949.11.22
申请人
发明人
JOUVE RAYMOND;KONNE HENRI
分类号
G11B15/26;G11B15/28;G11B15/34
主分类号
G11B15/26
代理机构
代理人
主权项
地址
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