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BS EN ISO 21987:2017 - TC
M00000034
New product
25 February 2020 Tracked Changes. Ophthalmic optics. Mounted spectacle lenses
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Dimensional tolerances, Ophthalmic equipment, Optical measurement, Prisms (optical), Focal length, Spectacle lenses, Surface treatment, Optics, Optical phenomena, Tolerances (measurement), Angular tolerances, Visual inspection (testing), Marking, Spectacles (eyeglasses), Circular shape, Fitting, Bevelled, Tolerances of position, Ophthalmology, Lenses