LST EN ISO 10322-2:2006 Ophthalmic optics - Semi-finished spectacle lens blanks - Part 2: Specifications for progressive power lens blanks (ISO 10322-2:2006)
2006LST EN ISO 10322-2:2006 Ophthalmic optics - Semi-finished spectacle lens blanks - Part 2: Specifications for progressive power lens blanks (ISO 10322-2:2006)