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发明名称
Système perfectionné d'enroulement de la pellicule dans un appareil cinématographique
摘要
申请公布号
FR39977(E)
申请公布日期
1932.03.21
申请号
FRD39977
申请日期
1930.08.25
申请人
SOCIETE DES ETABLISSEMENTS GAUMONT
发明人
分类号
G03B19/18
主分类号
G03B19/18
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