DIN EN 61753-121-3:2011-02
Действует
Fibre optic interconnecting devices and passive components - Performance standard - Part 121-3: Simplex and duplex cords with single-mode fibre and cylindrical ferrule connectors for category U - Uncontrolled environment (IEC 61753-121-3:2010); German version EN 61753-121-3:2010
— 25 стр.
