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Priority to ES0011004UpriorityCriticalpatent/ES11004Y/es
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Publication of ES11004YpublicationCriticalpatent/ES11004Y/es
Carpeta cuaderno para hojas cambiables y bloques de repuesto caracterizada por consistir en dos tapas (1) y (5) que aprisionan un bloque de hojas cambiables de tamaño uniforme y de diverso rayado, para toda clase de trabajos del alumno, y de las que la posterior es totalmente rígida, girando la anterior para abrirse por una acanaladura (3) en el margen reforzado en su forro, y siendo ambas tapas completamente independientes.
ES0011004U1945-01-031945-01-03Carpeta-cuaderno para hojas cambiables con bloques de repuesto.
ExpiredES11004Y
(es)