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Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles
(AREA)
Abstract
Mirilla óptica para puertas que se caracteriza por el acoplamiento de tres piezas cilíndricas de tal forma que la exterior lleva cerrado uno de sus extremos por una lente deslizándose en su interior una de las piezas cilíndricas restantes con otra lente colocada en el lado opuesto al de la primera mientras que la tercera pieza se desliza entre las otras dos siendo esta pieza portadora de un pequeño orificio de mira en su extremo libre.
ES141924U1968-09-281968-09-28Mirilla óptica para puertas
PendingES141924U
(es)