NBN EN ISO 11539 : 1ED 2000
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
OOGHEELKUNDIGE OPTICA - CONTACTLENZEN - CLASSIFICATIE VAN CONTACTLENZEN EN MATERIALEN VOOR CONTACTLENZEN (ISO 11539:1999)
09-01-2009
01-12-2013
Covers the procedure for classifying contact lenses together with the materials used for manufacture. It allows the non-proprietary and specific identification, in simplified form, of major chemical components of the material.
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