Communication cables - Part 2-27: Common design rules and construction - Halogen free flame retardant thermoplastic sheathing compounds (english version)
Communication cables - Part 2-1: Common design rules and construction; German version EN 50290-2-1:2005, Corrigendum to DIN EN 50290-2-1:2005-10— 2 стр.
Communication cables - Part 2-1: Common design rules and construction; German version EN 50290-2-1:2005, Corrigendum to DIN EN 50290-2-1:2005-10— 2 стр.