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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES0020715UpriorityCriticalpatent/ES20715Y/en
Publication of ES20715UpublicationCriticalpatent/ES20715U/en
Application grantedgrantedCritical
Publication of ES20715YpublicationCriticalpatent/ES20715Y/en
Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments
(AREA)
Abstract
A mechanical pencil perfected for one or two mines that is particularized by having its end open by means of central cuts that determine the formation of tongues that are pressed to hold the mine by means of a device, ring, cylinder or cap. (Machine-translation by Google Translate, not legally binding)
ES0020715U1949-08-011949-08-01
Perfected mechanical pencil for one or two leads.
ExpiredES20715Y
(en)
Device applicable to pencils and mechanical plinths to advance the mna with or without recoil (Machine-translation by Google Translate, not legally binding)