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Priority to ES0011617UpriorityCriticalpatent/ES11617Y/en
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Publication of ES11617YpublicationCriticalpatent/ES11617Y/en
Sharpening machine-pencils, characterized by being equipped with a conical housing for the pencil with a longitudinal window, which presents the wood that is being cut; and a star with variable and sharp points that rotates, making the expressed cut, by means of an external crank and the opportune transmissions. (Machine-translation by Google Translate, not legally binding)