NF C93-903-6:2005 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-6 : examinations and measurements - Return loss.
2005NF C93-903-6:2005 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-6 : examinations and measurements - Return loss.
1997NF C93-903-6:1997 Fibre optic interconnecting devices and passive components. Basic test and measurement procedures. Part 3-6 : examinations and measurements. Return loss.