ÖVE/ÖNORM EN 61753-031-3:2010-01
Заменен
Fibre optic interconnecting devices and passive components performance standard - Part 031-3: Non-connectorized single-mode 1xN and 2xN non-wavelength-selective branching devices (NWBD) for Category U - Uncontrolled environment (IEC 61753-031-3:2009) (english version)
