UNE-EN 60794-3-20:2016 Optical fibre cables - Part 3-20: Outdoor cables - Family specification for self-supporting aerial telecommunication cables (Endorsed by Asociación Española de Normalización in January of 2017.)
2017UNE-EN 60794-3-20:2016 Optical fibre cables - Part 3-20: Outdoor cables - Family specification for self-supporting aerial telecommunication cables (Endorsed by Asociación Española de Normalización in January of 2017.)
2012UNE-EN 60794-3-20:2012 Optical fibre cables - Part 3-20: Outdoor cables - Family specification for self-supporting aerial telecommunication cables