DIN EN ISO 8980-4:2006-11 Ophthalmic optics - Uncut finished spectacle lenses - Part 4: Specifications and test methods for anti-reflective coatings (ISO 8980-4:2006); German version EN ISO 8980-4:2006
2006DIN EN ISO 8980-4:2006-11 Ophthalmic optics - Uncut finished spectacle lenses - Part 4: Specifications and test methods for anti-reflective coatings (ISO 8980-4:2006); German version EN ISO 8980-4:2006
2006DIN EN ISO 8980-4:2006 Ophthalmic optics - Uncut finished spectacle lenses - Part 4: Specifications and test methods for anti-reflective coatings (ISO 8980-4:2006); English version of DIN EN ISO 8980-4:2006-11