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GRANCOLOR UNIDO S A
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GRANCOLOR UNIDO S A
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Application filed by GRANCOLOR UNIDO S AfiledCriticalGRANCOLOR UNIDO S A
Priority to ES0020090UpriorityCriticalpatent/ES20090Y/en
Publication of ES20090UpublicationCriticalpatent/ES20090U/en
Application grantedgrantedCritical
Publication of ES20090YpublicationCriticalpatent/ES20090Y/en
Optical device for the vision of transparent images, consisting of an appropriate contour box, in one of whose bases has an opening inside which a translucent plate or sheet is arranged, with another opening in the opposite base having inside A convergent lens is mounted, the transparent images being introduced for observation by a slit that presents on both sides the base of the box in which the translucent plate or sheet is disposed, which may have a certain convexity towards the interior of the chamber formed by the walls of the aforementioned box. (Machine-translation by Google Translate, not legally binding)
ES0020090U1949-05-161949-05-16
Optical device for viewing transparent images.
ExpiredES20090Y
(en)
A housing provided with a peephole practiced on one side that allows to observe without uncovering the class and numbers contained therein (Machine-translation by Google Translate, not legally binding)