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Priority to ES1970161734UpriorityCriticalpatent/ES161734Y/en
Publication of ES161734UpublicationCriticalpatent/ES161734U/en
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Publication of ES161734YpublicationCriticalpatent/ES161734Y/en
Photographic frames for viewing by transparency, characterized by the fact that it consists of a flat, rigid laminar support, essentially transparent, rectangular in outline, being obtained in glass or other material of similar conditions, in whose central part it is fixed by the front face of the same a mini-photographic slide visible by transparency through the support itself, preferably corresponding to a microscopic enlargement or a microscopic reduction, so that said support is used and arranged as a microscope slide, applicable in a viewing device optical by transparency in the form of micro: simulated copy, so the vision of the mini-device offers the impression of observing the object directly through a real microscope. (Machine-translation by Google Translate, not legally binding)
ES1970161734U1970-09-211970-09-21
PHOTO HOLDER FOR TRANSPARENCY VISION.
ExpiredES161734Y
(en)
Visor system for the stereoscopic vision of pairs of images, to see individually each image by a different eye. (Machine-translation by Google Translate, not legally binding)
A photographic procedure for the direct obtaination of a visible positive without being submitted to transparency on glass plate or film (Machine-translation by Google Translate, not legally binding)