STRAIGHT-SIDED HIGH-SPEED MECHANICAL POWER PRESSES FROM 250 KN UP TO AND INCLUDING 400 KN NOMINAL FORCE. CHARACTERISTICS AND DIMENSIONS.
Edition 1994-07-06

Multi-element metallic cables used in data communication for voltages up to and including 250 V.
Edition 2014-12-10

Railway applications - Investigations on vehicles to quantify track loading in curve radii below 250 m (Endorsed by Asociación Española de Normalización in December of 2022.)
Edition 2022-12-01

Medical electrical equipment - Part 2-50: Particular requirements for the basic safety and essential performance of infant phototherapy equipment (Endorsed by Asociación Española de Normalización in September of 2021.)
Edition 2021-09-01

Medical electrical equipment - Part 2-50: Particular requirements for the basic safety and essential performance of infant phototherapy equipment (Endorsed by Asociación Española de Normalización in January of 2024.)
Edition 2024-01-01

Optical fibres - Part 2-50: Product specifications - Sectional specification for class B single-mode fibres (Endorsed by Asociación Española de Normalización in April of 2019.)
Edition 2019-04-01

Optical fibre cables - Part 2-50: Indoor cables - Family specification for simplex and duplex cables for use in terminated cable assemblies
Edition 2024-03-20

Optical fibre cables - Part 2-50: Indoor cables - Family specification for simplex and duplex cables for use in terminated cable assemblies (Endorsed by Asociación Española de Normalización in May of 2020.)
Edition 2020-05-01

Digital addressable lighting interface - Part 250: Particular requirements - Integrated power supply (device type 49) (Endorsed by Asociación Española de Normalización in July of 2023.)
Edition 2023-07-01

Anaesthetic and respiratory equipment - Heat and moisture exchangers (HMEs) for humidifying respired gases in humans - Part 1: HMEs for use with minimum tidal volumes of 250 ml (ISO 9360-1:2000)
Edition 2009-09-09