DIN EN ISO 8624 E:2019 Draft Document - Ophthalmic optics - Spectacle frames - Measuring system and terminology (ISO/DIS 8624:2019); German and English version prEN ISO 8624:2019
2019DIN EN ISO 8624 E:2019 Draft Document - Ophthalmic optics - Spectacle frames - Measuring system and terminology (ISO/DIS 8624:2019); German and English version prEN ISO 8624:2019
2015DIN EN ISO 8624:2015 Ophthalmic optics - Spectacle frames - Measuring system and terminology (ISO 8624:2011 + Amd.1:2015); German version EN ISO 8624:2011 + A1:2015)