Ophthalmic optics - Spectacle frames - Measuring system and terminology (ISO 8624:2011 + Amd.1:2015); German version EN ISO 8624:2011 + A1:2015)— 17 стр.
Ophthalmic optics - Spectacle frames - Measuring system and terminology (ISO 8624:2011 + Amd.1:2015); German version EN ISO 8624:2011 + A1:2015)— 17 стр.