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Individual
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Individual
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Priority to ES0032419UpriorityCriticalpatent/ES32419U/es
Publication of ES32419UpublicationCriticalpatent/ES32419U/es
Distribución de hendidos para la abertura rápida de envoltorios de papel, consistente en dos líneas paralelas formadas por una sucesión de hendidos paralelos inclinados practicados en el papel, siendo todos el conjunto de las dos líneas simétricas entre sí.
ES0032419U1952-08-201952-08-20Distribución de hendidos para la abertura de envoltorios de papel
PendingES32419U
(es)