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)
2011DIN EN ISO 8624:2011 Ophthalmic optics - Spectacle frames - Measuring system and terminology (ISO 8624:2011); German version EN ISO 8624:2011
2002DIN EN ISO 8624:2002 Ophthalmic optics - Spectacle frames - Measuring system and terminology (ISO 8624:2002); German version EN ISO 8624:2002