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Aro para lomo de encuadernación de hojas, caracterizado esencialmente por estar constituido por una pieza longitudinal flexible de sección uniforme en su zona central, presentado en un extremo una prolongación según una espiga coaxial y en el opuesto una entrada axial cuya sección se corresponde con la de la espiga que indistintamente puede ser redonda o prismática.
ES98395U1963-03-201963-03-20Aro de lomo para encuademación de hojas
ExpiredES98395Y
(es)
Un dispositivo de silleta nervada aproximadamente semicircular, de material preferiblemente ceramico, para empleo como cuerpo de carga en la tecnica quimica.