GB/T 18311.31-2007
纤维光学互连器件和无源器件 基本试验和测量程序 第3-31部分:检查和测量 纤维光学光源耦合功率比测量
Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 3-31 : Examinations and measurements Coupled power ratio measurement for fibre optic sources
GBT18311.31-2007, GB18311.31-2007