Fibre organisers and closures to be used in optical fibre communications systems - Product specifications - Part 2-9: Non-sealed closures for air blown fibre microduct cable, for category S & A; German version EN 50411-2-9:2010
光纤通信系统中使用的光纤组织器和封盖.产品规范.第2-9部分:S&A类吹气光纤微导管电缆用非密封封盖;德文版EN 50411-2-9:2010