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G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
G02C3/00—Special supporting arrangements for lens assemblies or monocles
G—PHYSICS
G02—OPTICS
G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
G02C5/00—Constructions of non-optical parts
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FR805232D1935-08-231936-04-22Cercle en matière plastique pour lunettes et pince-nez à verre de forme pantoscopique et autres analogues
ExpiredFR805232A
(fr)