EN 61753-061-3-2004 光纤互连器件和无源器件性能标准.第061-3部分:U类单模光纤有抽头的隔离器.非受控环境 IEC 61753-061-3:2004
Fibre optic interconnecting devices and passive components performance standard Part 061-3: Single mode fibre optic pigtailed style isolators for category U Uncontrolled environment