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Individual
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Individual
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Priority to ES0021885UpriorityCriticalpatent/ES21885Y/en
Publication of ES21885UpublicationCriticalpatent/ES21885U/en
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Publication of ES21885YpublicationCriticalpatent/ES21885Y/en
Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices
(AREA)
Drawing Aids And Blackboards
(AREA)
Abstract
Sharpener apparatus for pencil mines and analogous uses, characterized in that it comprises a body of semi-tubular or ovoid shape with legs or counterweight to hold it in correct position, being provided on its upper part with an inclined surface, covered with sandpaper or file, and a second normal surface to the previous one, forming a longitudinal groove between both surfaces, and closing the apparatus by a plug-in deposit by pressure or thread and in one of its ends is provided with a handle with a hole to be hung. (Machine-translation by Google Translate, not legally binding)
ES0021885U1950-01-111950-01-11
Sharpening apparatus for pencil leads and similar uses.
ExpiredES21885Y
(en)