Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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ZICKENHEIMER WILHELM
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ZICKENHEIMER WILHELM
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Publication date
Application filed by ZICKENHEIMER WILHELMfiledCriticalZICKENHEIMER WILHELM
Priority to ES0235741ApriorityCriticalpatent/ES235741A1/es
Publication of ES235741A1publicationCriticalpatent/ES235741A1/es
Aparato de observación binocular, especialmente gafas, prismáticos y similares, caracterizado porque uno de los oculares o cristales muestra un mayor grado de absorción de luz que el otro ocular.
ES0235741A1957-05-281957-05-28Aparato de observaciën binocular, especialmente gafas, prismaticos y similares.
ExpiredES235741A1
(es)