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Individual
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Individual
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Priority to ES0018575UpriorityCriticalpatent/ES18575U/es
Publication of ES18575UpublicationCriticalpatent/ES18575U/es
Un sistema de cierre, aplicable a todas clases de sobres y bolsas, caracterizado por estar constituido por una pequeña y fina lámina de figura romboidal o de cualquier otra adecuada que se desee, y construida en un material metálico cualquiera apropiado que sea maleable con el objeto de que no rompa ni salte al doblar, por estar constituido dicho sistema de cierre por el doblez de la lámina, y el aprisionamiento entre ella de las partes que forman la boca del sobre o bolsa.
ES0018575U1948-11-171948-11-17Sistema de cierre aplicable a toda clase de sobres y bolsas
PendingES18575U
(es)