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Priority to ES0203236ApriorityCriticalpatent/ES203236A1/es
Publication of ES203236A1publicationCriticalpatent/ES203236A1/es
Perfeccionamientos en la construcción de puertas metálicas tubulares arrollables caracterizados por el hecho de disponerse en los extremos de los tubos o varillas horizontales de las puertas unas piezas de sujeción de los mismos constituidas por unas varillas metálicas o tiras de fleje articuladas de forma variable y de longitud igual o mayor a la distancia que media entre cada tubo o varilla horizontal pero sin alcanzar en ningún caso la longitud total de la puerta metálica.
ES0203236A1952-04-281952-04-28PERFECCIONAMIENTOS EN LA CONSTRUCCIoN DE PUERTAS METáLICAS TUBULARES ARROLLABLES
ExpiredES203236A1
(es)