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NAGEL JEAN
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NAGEL JEAN
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Publication of ES209255A1publicationCriticalpatent/ES209255A1/es
Dispositivo de abrochado corredizo cuyos órganos de abrochado son hilos en espiral caracterizado por el hecho de que las dos espirales están formadas por enrollado de hilos fragmentados en segmentos regulares múltiples de cuatro espiras una de ellas presenta segmentos alternativamente oblícuos y perpendiculares al eje la otra presenta segmentos inclinados en el eje en el mismo sentido y tiene un diámetro en los vértices sensiblemente igual al diámetro en planta de la primera.
ES0209255A1952-05-131953-05-09Un dispositivo de abrochado corredizo
ExpiredES209255A1
(es)