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发明名称
Perfectionnements apportés à la synchronisation de pistes sonores avec enregistrement consécutif
摘要
申请公布号
FR1144945(A)
申请公布日期
1957.10.18
申请号
FRD1144945
申请日期
1956.03.30
申请人
发明人
CALPINI ALDO
分类号
G03B31/00
主分类号
G03B31/00
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代理人
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