
Ophthalmic Optics - Spectacle Frames - Requirements And Test Methods
出版:Danish Standards

专家解读视频
Defines fundamental requirements for unglazed spectacle frames designed for use with all prescription lenses. Pertain to frames at the point of sale by the manufacturer or supplier to the retailer. ??????????????????????????????????????????????
EN ISO 12870 : 2018 - Identical
EN ISO 12870 : 2018 - Identical
ISO 12870 : 2016(R2018) - Identical
EN ISO 12870:2018 - Identical