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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES0014551UpriorityCriticalpatent/ES14551Y/en
Publication of ES14551UpublicationCriticalpatent/ES14551U/en
Application grantedgrantedCritical
Publication of ES14551YpublicationCriticalpatent/ES14551Y/en
A paper pencil with propulsion device of the mine, characterized in that it is constituted by a body formed by winding of paper and by a mine that, as it is spent, can be pushed towards the tip of the pencil by means of a spiral with a straight limb that can be stretched, so that it is as much lake as needed, so that the mine advances towards the pointed tip of the pencil which allows it to be in conditions of use and can be maintained without using sharp cutting elements. any kind. (Machine-translation by Google Translate, not legally binding)
ES0014551U1947-02-221947-02-22
Paper pencil with mine propulsion device.
ExpiredES14551Y
(en)