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Priority to ES0051808UpriorityCriticalpatent/ES51808Y/es
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Gripping Jigs, Holding Jigs, And Positioning Jigs
(AREA)
Surgical Instruments
(AREA)
Abstract
Tornillo de banco perfeccionado, comprendiendo medios de mordaza de cualquier tipo, caracterizado por que el dispositivo de aprieto se establece montado giratorio sobre un juego de rótula en el que puede fijarse a voluntad en cualquier posición, permitiendo la utilización del tornillo en todos los ángulos del casquete esférico que constituye dicho juego de rótula.
ES0051808U1955-12-231955-12-23Tornillo de banco, perfeccionado
ExpiredES51808Y
(es)
Un procedimiento y aparato para calcular la raíz cuadrada de un círculo y, para poder calcular el diámetro de un círculo equivalente según el lado de un cuadrado