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发明名称
Perfectionnements à la prise et à la projection de vues cinématographiques ainsi qu'aux pellicules cinématographiques
摘要
申请公布号
FR688232(A)
申请公布日期
1930.08.20
申请号
FRD688232
申请日期
1930.01.15
申请人
SOCIETE TECHNIQUE D'OPTIQUE ET DE PHOTOGRAPHIE (S. T. O. P.)
发明人
分类号
G03B15/08
主分类号
G03B15/08
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