Fibre organisers and closures to be used in optical fibre communication systems - Product specifications - Part 3-6: Multimode mechanical fibre splice for use in an outdoor protected environment (Cat U); German version EN 50411-3-6:2013
Edition 2014-04

Vacuum technology; terms and definitions; general terms
Edition 1990-05

Fibre management systems and protective housings to be used in optical fibre communication systems - Product specifications - Part 3-2: Single-mode mechanical fibre splice; German version EN 50411-3-2:2023
Edition 2024-06

Industrial-process control valves - Part 2-3: Flow capacity - Test procedures (IEC 60534-2-3:2015); German version EN 60534-2-3:2016
Edition 2017-01

Methods of test for masonry units - Part 22: Determination of freeze/thaw resistance of clay masonry units; German version EN 772-22:2018
Edition 2019-02

Industrial valves - Test of flow resistance using water as test fluid; German version EN 1267:2012
Edition 2012-04

Ships and marine technology - Design, production and test of pipeline systems for liquid media - Part 1: Design
Edition 2006-06

Fibre management systems and protective housings to be used in optical fibre communication systems - Product specifications - Part 3-6: Multi- mode mechanical fibre splice; German and English version prEN 50411-3-6:2021
Edition 2023-11

Ambient air - Determination of the particle number concentration of atmospheric aerosol; German and English version prEN 16976:2023
Edition 2023-06

Heat exchangers - Methods of measuring the parameters necessary for establishing the performance; German version EN 306:1997
Edition 1997-07