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发明名称
Commande particulièrement destinée aux installations pour la synchronisation des bandes sonores et des bandes d'images
摘要
申请公布号
FR712975(A)
申请公布日期
1931.10.16
申请号
FRD712975
申请日期
1931.03.10
申请人
UNIVERSUM FILM AKTIENGESELLSCHAFT
发明人
分类号
G03B31/00
主分类号
G03B31/00
代理机构
代理人
主权项
地址
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