DIN EN 61753-053-2:2015-01

Действует

Fibre optic interconnecting devices and passive components - Performance standard - Part 053-2: Non-connectorized single-mode fibre, electrically controlled, variable optical attenuator for category C - Controlled environments (IEC 61753-053-2:2014); German version EN 61753-053-2:2014 — 16 стр.