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Priority to ES108410UpriorityCriticalpatent/ES108410Y/en
Publication of ES108410UpublicationCriticalpatent/ES108410U/en
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Publication of ES108410YpublicationCriticalpatent/ES108410Y/en
School notebook of various applications characterized by being made up of a volume in which different paper booklets of different colors have been bound so that the dimensions of them are progressively wider so that a small edge always appears under the previous one for indicate where each booklet of different color begins with alternate sheets of different lines for writing and drawing, with a series of boxes in the same number and colors as the existing booklets in order to record the materials in the cover of the volume. Corresponding to each booklet forming a clear index of the color to be used for each of them. (Machine-translation by Google Translate, not legally binding)
ES108410U1964-09-171964-09-17
SCHOOL NOTEBOOK OF VARIOUS APPLICATIONS.
ExpiredES108410Y
(en)