DIN EN 61300-2-5:2011 光导纤维接插元件和无源元件的基本试验和测量程序.第2-5部分:扭力试验(IEC 61300-2-5-2009);德文版本EN 61300-2-5-2011
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-5: Tests - Torsion (IEC 61300-2-5:2009); German version EN 61300-2-5:2011