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Dispositif de réglage de l'exposition dans les appareils de prise de vues photographiques ou cinématographiques

申请公布号:FR906349(A)

申请号:FRD906349

申请日期:1942.06.29

申请公布日期:1945.12.31

申请人:
PATHE CINEMA, ANCIENS ETABLISSEMENTS PATHE FRERES

分类号:G03B7/04

主分类号:G03B7/04

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