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Charles Freche, Jacques Lotteau: Illuminating spectacles with variable magnifying power. Fisher Christen & Sabol, April 1, 1980: US04195918 (31 worldwide citation)

The invention relates to illuminating spectacles with variable magnifying power, essentially comprising, in combination, a frame 1, provided with removable illuminating means, particularly by cold light, composed of light conduits 8,9 resiliently engaged in grooves 10,11 provided on the top of the f ...


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