IEC 61300-3-42-2007
光纤连接器件和无源元件.基础试验和测量程序.第3-42部分:检查和测量.单模准直套管和/或带弹性准直套管转换器的衰减
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-42: Examinations and measurements - Attenuation of single mode alignment sleeves and or adaptors with resilent alignment sleeves