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Priority to ES0036743UpriorityCriticalpatent/ES36743Y/en
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Publication of ES36743YpublicationCriticalpatent/ES36743Y/en
Twin glasses, characterized by comprising an armor with legs articulated in the similar manner of glasses, on which are mounted the ocular bodies, cylindrical with the magnifying lens of the image, each of whose bodies has a pivot that is housed in a slot in helical arrangement made in a sleeve or enclosing cylinder, carrier of the light collecting lens, these elements being carried out the independent graduation of each viewer. (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the purpose of patent number 239613, improvements in the objectives for the projection of photographic and cinematographic images (Machine-translation by Google Translate, not legally binding)
