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Mattresses And Other Support Structures For Chairs And Beds
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Abstract
Colchón mixto perfeccionado, comprendiendo una armadura metálica provista de tirantes-soporte, tensados de espiral continuo y pluralidad de muelles helicoidales cubriendo dicha armadura y un revestimiento de tejido con material de relleno, caracterizado por que los indicados tirantes se disponen en un solo sentido sobre laterales enfrentados de la armadura, formando hileras paralelas.
Un dispositivo de silleta nervada aproximadamente semicircular, de material preferiblemente ceramico, para empleo como cuerpo de carga en la tecnica quimica.