BS EN 61300-3-4:2013 Fibre optic interconnecting devices and passive components. Basic test and measurement procedures. Examinations and measurements. Attenuation
2013BS EN 61300-3-4:2013 Fibre optic interconnecting devices and passive components. Basic test and measurement procedures. Examinations and measurements. Attenuation
2001BS EN 61300-3-4:2001 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Examinations and measurements - Attenuation