DIN EN 50411-3-3-2012 光导纤维通信系统用布线结构和转接盒.产品规格.第3-3部分:单模光纤熔接保护装置.德文版 EN 50411-3-3-2011
Fibre organisers and closures to be used in optical fibre communication systems - Product specifications - Part 3-3: Singlemode optical fibre fusion splice protectors; German version EN 50411-3-3:2011