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Priority to ES1978236689UpriorityCriticalpatent/ES236689Y/es
Publication of ES236689UpublicationCriticalpatent/ES236689U/es
Application grantedgrantedCritical
Publication of ES236689YpublicationCriticalpatent/ES236689Y/es
ES1978236689U1978-06-141978-06-14Dispositivo para la proyeccion ininterrumpida de peliculas, apto para una segunda e inmediata proyeccion.
ExpiredES236689Y
(es)