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Individual
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Priority to ES0232169ApriorityCriticalpatent/ES232169A2/es
Publication of ES232169A2publicationCriticalpatent/ES232169A2/es
Mejoras en el objeto de la patente principal 224.722 "perfeccionamientos en los dispositivos antideslumbrantes", caracterizadas esencialmente por constar de unas pantallas polarizadas decaladas 90º que se colocan una delante del foco luminoso, emisor de luz y otra delante del receptor de ella, preferentemente una que de polarización vertical y otra horizontal.
ES0232169A1956-11-281956-11-28Perfeccionamientos en los dispositivos antideslumbrantes
ExpiredES232169A2
(es)