DIN EN 60793-2-40-2016 光纖.第2-40部分:產品規范.A4類別的多模纖維分規范(IEC 60793-2-40-2015).德文版本EN 60793-2-40-2016
Optical fibres - Part 2-40: Product specifications - Sectional specification for category A4 multimode fibres (IEC 60793-2-40:2015); German version EN 60793-2-40:2016