DIN EN 50411-2-5-2009 光纖通信系統用光纖布線結構和轉接盒.產品規范.第2-5部分:1型密閉鼓風纖維微管S類和A類轉接盒,德文版本EN 50411-2-5:2009
Fibre organisers and closures to be used in optical fibre communication systems - Product specifications - Part 2-5: Sealed closures for air blown fibre microduct, type 1, for category S & A; German version EN 50411-2-5:2009