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G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
G02C5/00—Constructions of non-optical parts
G02C5/22—Hinges
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FR624794D1926-11-181926-11-18Perfectionnements apportés au montage des branches de lunettes en celluloïd ou autre matière plastique
ExpiredFR624794A
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