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OPTICA COTTET S A
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OPTICA COTTET S A
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Application filed by OPTICA COTTET S AfiledCriticalOPTICA COTTET S A
Priority to ES90450UpriorityCriticalpatent/ES90450Y/en
Publication of ES90450UpublicationCriticalpatent/ES90450U/en
Application grantedgrantedCritical
Publication of ES90450YpublicationCriticalpatent/ES90450Y/en
Lighted optical crystal, which is characterized, because it consists of a single piece has on the back of it a perimeter recess of sufficient thickness so that it can be assembled in the alveolus of the frame where it has to be placed. (Machine-translation by Google Translate, not legally binding)