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Details Of Spanners, Wrenches, And Screw Drivers And Accessories
(AREA)
Abstract
Un taco para tornillería, caracterizado esencialmente, por estar constituido por un cuerpo troncopiramidal de sección cuadrada, dotado en el centro de sus caras laterales de cuatro ranuras longitudinales que, en unión de un hueco central, de paredes convergentes hacia atrás y de sección transversal en forma de cruz existente en el mismo taco, dan un cierto carácter elástico a este al introducirlo en el orificio de menores dimensiones existente en el muro donde ha de situarse.
ES99794U1963-05-241963-05-24Un taco para tornilleria.
ExpiredES99794Y
(es)