DIN EN 61753-111-7:2010
光纤互连器件和无源元件性能标准.第111-7部分:A类密封闭包.地面(IEC 61753-111-7-2009).德文版本EN 61753-111-7-2010
Fibre optic interconnecting devices and passive components - Part 111-7: Sealed closures for category A - Aerial (IEC 61753-111-7:2009); German version EN 61753-111-7:2010