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Individual
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Individual
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Priority to ES9503239UpriorityCriticalpatent/ES1032796Y/es
Publication of ES1032796UpublicationCriticalpatent/ES1032796U/es
Application grantedgrantedCritical
Publication of ES1032796YpublicationCriticalpatent/ES1032796Y/es
1. GAFA PERFECCIONADA, CARACTERIZADA PORQUE CADA OCULAR CONSTA DE DOS LENTES SUPERPUESTAS DE CRISTALES POLARIZADOS, SUSCEPTIBLES DE GIRAR EL UNO RESPECTO DEL OTRO; DE MODO QUE SE PUEDE REGULAR A VOLUNTAD LA INTENSIDAD DE LUZ QUE PASA POR CADA OCULAR.