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Individual
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Individual
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Priority to ES20778ApriorityCriticalpatent/ES20778A1/es
Publication of ES20778A1publicationCriticalpatent/ES20778A1/es
Un aparato con mecanismo perfeccionado para producir el avance automático de las tiras o fajas peliculares y sensibilizadas, que sirven para ser aplicadas a los aparatos que tienen por objeto la visión y obtención de las pruebas fotográficas.