DIN EN ISO 10685-3:2013-03 Ophthalmic optics - Spectacle frames and sunglasses electronic catalogue and identification - Part 3: Technical information (ISO 10685-3:2012); German version EN ISO 10685-3:2012
2013DIN EN ISO 10685-3:2013-03 Ophthalmic optics - Spectacle frames and sunglasses electronic catalogue and identification - Part 3: Technical information (ISO 10685-3:2012); German version EN ISO 10685-3:2012
2013DIN EN ISO 10685-3:2013 Ophthalmic optics - Spectacle frames and sunglasses electronic catalogue and identification - Part 3: Technical information (ISO 10685-3:2012); German version EN ISO 10685-3:2012