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Financiacion Y Desarrollo Ind S A
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Financiacion Y Desarrollo Ind S A
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Priority to ES1975216038UpriorityCriticalpatent/ES216038Y/es
Publication of ES216038UpublicationCriticalpatent/ES216038U/es
Application grantedgrantedCritical
Publication of ES216038YpublicationCriticalpatent/ES216038Y/es
Sobre perfeccionado, caracterizado porque en el interior de un sobre de tipo convencional, se incluye un hilo situado coincidentemente con una de sus líneas de plegado, solidarizando interiormente los extremos del hilo a las esquinas o vértices correspondientes, de modo que desmembrando una de dichas esquinas y tirando suavemente, el hilo rasgue longitudinalmente dicha linea de plegado.