German standard methods for the examination of water, waste water and sludge; general measures of effects and substances (group H); determination of hydrogen peroxide and its adducts (H 15)
Edition 1987-06

German standard methods for the examination of water, waste water and sludge; summary indices of actions and substances (group H); water hardness (H 6)
Edition 1986-01

Field acceptance tests of storage pumps
Edition 1971-10

Ergonomic requirements for office work with visual display terminals (VDTs); part 2: guidance on task requirements (ISO 9241-2:1992); German version EN 29241-2:1993
Edition 1993-06

Conservation of Cultural Heritage - Specifications for the management of moveable cultural heritage collections; German version EN 17820:2023
Edition 2023-08

Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 3: Fittings (ISO 16486-3:2020); German version EN ISO 16486-3:2020
Edition 2021-02

Telecontrol equipment and systems - Part 5: Transmission protocols; section 3: General structure of application data (IEC 60870-5-3:1992); German version EN 60870-5-3:1992
Edition 1994-07

German standard methods for the examination of water, waste water and sludge; general measures of effects and substances (group H); determination of the phenol index (H 16)
Edition 1984-06

German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of total dry residue, filtrate dry residue and residue on ignition (H 1)
Edition 1987-01

Guidelines for the establishment and development of thesauri; multilingual thesauri
Edition 1993-10