Letter symbols for physical quantities; symbols for general use
Edition 1994-03

Optics and optical instruments - Accuracy of optical transfer function (OTF) measurement (ISO 11421:1997)
Edition 2010-10

Food safety - Part 1: Requirements for bodies providing audit and certification of food safety management systems (ISO 22003-1:2022)
Edition 2023-07

Accessible systems for living independently - Requirements and recommendations; German and English version prEN 17999:2023
Edition 2023-09

Security and resilience - Vocabulary (ISO 22300:2021); German version EN ISO 22300:2021
Edition 2021-06

Test methods - Timber floors - Determination of vibration properties; German version EN 16929:2018
Edition 2019-03

Potentially explosive atmospheres - Terms and definitions for equipment and protective systems intended for use in potentially explosive atmospheres; German version EN 13237:2012
Edition 2013-01

Water quality - Guidance on the use of in vivo absorption techniques for the estimation of chlorophyll-a concentration in marine and fresh water samples; German version EN 16161:2012
Edition 2012-09

District heating pipes - Bonded single and twin pipe systems for buried hot water networks - Part 1: Joint casing assemblies and thermal insulation for hot water networks in accordance with EN 13941-1; German version EN 489-1:2019
Edition 2022-08

Additive Manufacturing of metals - Qualification principles - Part 1: General qualification of operators (ISO/ASTM 52926-1:2023); German version EN ISO/ASTM 52926-1:2023
Edition 2024-03