DIN EN 61300-3-25-2017 光纤互连器件和无源元件.基本试验和测量程序.第3-25部分:检查和测量.套管和装有光纤套管的同心度(IEC 61300-3-25-2016);德文版本EN 61300-3-25-2016
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-25: Examinations and measurements - Concentricity of non-angled ferrules and non-angled ferrules with fibre installed (IEC 61300-3-25:2016); German