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Priority to ES0018819UpriorityCriticalpatent/ES18819Y/en
Publication of ES18819UpublicationCriticalpatent/ES18819U/en
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Publication of ES18819YpublicationCriticalpatent/ES18819Y/en
Sharpener apparatus for pencil mines and similar uses, characterized in that it comprises a semi-tubular body with four support legs, being provided, on its upper part, with an inclined surface, covered with sandpaper and a second surface normal to the previous one , curved in its lower part, forming a longitudinal groove between both surfaces and closing the apparatus by one end of a plug-in deposit in the form of a thread, while the other end has a handle with a hole to be hung. (Machine-translation by Google Translate, not legally binding)
ES0018819U1948-12-171948-12-17
Sharpening apparatus for pencil leads and similar uses.
ExpiredES18819Y
(en)