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Individual
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Individual
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Priority to ES0023369UpriorityCriticalpatent/ES23369U/en
Publication of ES23369UpublicationCriticalpatent/ES23369U/en
Enhanced lenticular crystal, characterized in that its two faces are perfectly parallel and of little thickness (spherical inside) until reaching the visual field in which the lenticular arrangement itself is established, which can adopt a biconvex, plano-convex or meniscus-convex shape of a suitable graduation, according to the needs of each case. (Machine-translation by Google Translate, not legally binding)
ES0023369U1950-05-251950-05-25Enhanced lenticular crystal (Machine-translation by Google Translate, not legally binding)
PendingES23369U
(en)