Gas cylinders - Ball valves - Specification and testing (ISO 23826:2021); German version EN ISO 23826:2021
Edition 2022-04

Gas cylinders - Quick-release cylinder valves - Specification and type testing (ISO 17871:2020); German version EN ISO 17871:2020
Edition 2020-11

Acoustics - Measurement of sound emitted by road vehicles of category M and N at standstill and low speed operation - Engineering method (ISO 16254:2016)
Edition 2021-11

Rotodynamic pumps - Technical documents - Terms, delivery range, layout; German version EN 12262:1998
Edition 1999-02

German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); sampling of sediments (S 11)
Edition 1987-08

German standard methods for the examination of water, waste water and sludge - Physical and physical-chemical parameters (group C) - Part 3: Determination of absorption in the range of the ultraviolet radiation, Spectral absorptions coefficient (C 3)
Edition 2005-07

Service activities relating to drinking water supply systems and wastewater systems - Guidelines for benchmarking of water utilities (ISO 24523:2017)
Edition 2018-03

Dentistry - Implantable materials for bone filling and augmentation in oral and maxillofacial surgery - Contents of a technical file (ISO 22794:2007, corrected version 2009-01-15); German version EN ISO 22794:2009
Edition 2009-11

Gas cylinders - Quick-release cylinder valves - Specification and type testing (ISO 17871:2020 + Amd.1:2024); German version EN ISO 17871:2020 + A1:2024
Edition 2024-08

Gas cylinders - Self-closing cylinder valves - Specification and type testing (ISO 17879:2017); German version EN ISO 17879:2017
Edition 2017-12