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Individual
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Individual
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Priority to ES0021289UpriorityCriticalpatent/ES21289U/es
Publication of ES21289UpublicationCriticalpatent/ES21289U/es
Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others
(AREA)
Abstract
Un dispositivo de rebobinado automático para proyectores cinematográficos de 16 mm, caracterizado por que en la parte delantera del motor va montada una pequeña polea, sobre la cual y por medio de dos palancas, se puede embragar un disco de materia plástica, que lleva solidaria otra polea que por medio de una transmisión de cable mueve el tambor de entrada de película.
ES0021289U1949-10-311949-10-31Dispositivos de rebobinado automático para priyectiores cinematográficos
PendingES21289U
(es)
Perfectionnements apportés aux dispositifs permettant d'effectuer le tirage automatique des films à une certaine échelle, notamment pour la photographie aérienne