DIN EN 61753-111-8-2010 光纤互连器件和无源元件性能标准.第111-8部分:地面类G密封闭包(IEC 61753-111-8-2009).德文版本EN 61753-111-8-2010
Fibre optic interconnecting devices and passive components performance standard - Part 111-8: Sealed closures for category G - Ground (IEC 61753-111-8:2009); German version EN 61753-111-8:2010