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Overview ISO 21987:2017 - Ophthalmic optics - Mounted spectacle lenses specifies the requirements and test methods for spectacle lenses after they have been mounted in frames, relative to the prescri…
Overview EN ISO 21987:2017 - Ophthalmic optics: Mounted spectacle lenses specifies requirements and test methods for mounted spectacle lenses in relation to the prescription order. Published by CEN a…
