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Capdevila Blanco Concepcion
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Capdevila Blanco Concepcion
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Application filed by Capdevila Blanco ConcepcionfiledCriticalCapdevila Blanco Concepcion
Priority to ES1971168527UpriorityCriticalpatent/ES168527Y/en
Publication of ES168527UpublicationCriticalpatent/ES168527U/en
Application grantedgrantedCritical
Publication of ES168527YpublicationCriticalpatent/ES168527Y/en
Improved educational toy, characterized by comprising a plate of adequate thickness, in which two or more large holes of different internally serrated diameters have been made, as well as a plurality of disks of the same thickness and externally toothed material of different and smaller diameters than the aforementioned, being the cousins among themselves the numbers of teeth of each of the discs with those of the crowns emptied. (Machine-translation by Google Translate, not legally binding)