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sklademVydáno: 2018-07-11
UNE EN ISO 18369-4:2018
Ophthalmic optics - Contact lenses - Part 4: Physicochemical properties of contact lens materials (ISO 18369-4:2017, Corrected version 2017-10-01)
Óptica oftálmica. Lentes de contacto. Parte 4: Propiedades fisicoquímicas de los materiales para lentes de contacto. (ISO 18369-4:2017, Versión corregida 2017-10-01).
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| Označení normy: | UNE EN ISO 18369-4:2018 |
| Počet stran: | 45 |
| Vydáno: | 2018-07-11 |
| Status: | Norma |
| Počet stran (Španělsky): | 52 |
DESCRIPTION
UNE EN ISO 18369-4:2018
This part of ISO 18369 specifies the methods of testing the physicochemical properties of contact lens materials. These are extraction, rigid lens flexure and breakage, oxygen permeability, refractive index and water content.
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