DS DS/EN ISO 8599
DS DSEN SO 8599 1997-MAR-12 Optcs and optcal nstruments - Contact lenses - Determnaton of the spectral and lumnous transmttance Replaced by DS DSEN SO 18369-3
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This International Standard Specifies a method for determining the spectral transmittance and the luminous transmittance of contact lenses.