DIN EN 61300-3-4:2013-11
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-4: Examinations and measurements - Attenuation (IEC 61300-3-4:2012); German version EN 61300-3-4:2013 / Note: DIN EN 61300-3-4 (2002-06) remains...