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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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FR960513A1964-01-161964-01-16
A method of manufacturing spectacle frames, the frames obtained by applying the present method, or the like
ExpiredFR1379536A
(en)
Process for the manufacture of contact lenses, in particular of weakly crosslinked hydrogel, as well as lenses conforming to those obtained by the present process or similar process
Method and installation for the manufacture of fabrics, in particular heat-sealable fabrics and fabrics obtained by the present process or similar process