Ophthalmic optics - Uncut finished spectacle lenses - Part 2: Specifications for progressive power lenses (ISO 8980-2:2004); German version EN ISO 8980-2:2004— 17 стр.
Ophthalmic optics - Uncut finished spectacle lenses - Part 2: Specifications for progressive power lenses (ISO 8980-2:2004); German version EN ISO 8980-2:2004, Corrigenda to DIN EN ISO 8980-2:2004-05; German version EN ISO 8980-2:2004/AC:2006— 2 стр.