2019EN 60793-2-50:2019 Optical fibres - Part 2-50: Product specifications - Sectional specification for class B single-mode fibres
2016EN 60793-2-50:2016 Optical fibres - Part 2-50: Product specifications - Sectional specification for class B single-mode fibres
2013EN 60793-2-50:2013 Optical fibres - Part 2-50: Product specifications - Sectional specification for class B single-mode fibres
2008EN 60793-2-50:2008 Optical fibres - Part 2-50: Product specifications - Sectional specification for class B single-mode fibres
2004EN 60793-2-50:2004 Optical fibres Part 2-50: Product specifications – Sectional specification for class B single-mode fibres (Incorporating Corrigendum July 2004)
2002EN 60793-2-50:2002 Optical fibres Part 2-50: Product specifications – Sectional specification for class B single-mode fibres