Optical amplifiers - Test methods - Part 10-4: Multichannel parameters - Interpolated source subtraction method using an optical spectrum analyzer (IEC 61290-10-4:2007); German version EN 61290-10-4:2007
Edition 2008-02

Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-4: Particular requirements for washing machines and spin extractors (IEC 60704-2-4:2011, modified); German version EN 60704-2-4:2012 + A11:2020
Edition 2020-12

Prefabricated concrete manholes, unreinforced, steel fibre and reinforced - Part 1: Requirements, test methods and marking for drains and sewers in addition to DIN EN 1917:2003-04
Edition 2023-06

Private security services - Part 2: Extended requirements for security service providers for special security services
Edition 2020-07

German standard methods for the examination of water, waste water and sludge - Jointly determinable substances (group F) - Part 35: Determination of selected phenoxyalkyl carbonic acids and further acid plant treatment agents - Method using high performance liquid chromatography and mass spectrometric detection (HPLC-MS/MS) (F 35)
Edition 2010-10

German standard methods for the examination of water, waste water and sludge - Jointly determinable substances (group F) - Part 27: Determination of selected phenols in groundwater and leachate, aqueous eluates and percolates (F 27)
Edition 2012-10

Design guide for railway vehicles and their components - Bolted joints - Part 4: Securing of bolted joints
Edition 2021-11

German standard methods for the examination of water, waste water and sludge - Anions (group D) - Part 13: Determination of cyanides (D 13)
Edition 2011-04

German standard methods for the examination of water, waste water and sludge - Jointly determinable substances (group F) - Part 30: Determination of trihalogenmethanes in bathing water and pool water with headspace-gas chromatography (F 30)
Edition 2007-12

Hose clamps - Part 4: Technical delivery conditions
Edition 2021-09