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NEGRETE LABERME MARTIN
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NEGRETE LABERME MARTIN
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Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments
(AREA)
Abstract
Un lapicero automático perfeccionado especialmente para uso de profesionalmente caracterizado por llevar el hueco interior donde se aloja la mina del mismo dianametro de grosor de esta lo que determina una gran fijeza o sujección de la misma y permite el uso da este como instrumento de trabajo en sustitución del lapicero corriente.