Flood protection works on rivers
Edition 2013-01

Measurement of quartz crystal unit parameters - Part 5: Methods for the determination of equivalent electrical parameters using automatic network analyser techniques and error correction (IEC 60444-5:1995); German version EN 60444-5:1997
Edition 1997-10

Wells for water extraction - Part 1: Design; German and English version prEN 18049-1:2024
Edition 2024-03

German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of green algae to the toxicity of waste water (Scenedesmus chlorophyll fluorescence test) by way of dilution series (L 33)
Edition 1991-03

Concrete, reinforced and prestressed concrete structures - Part 2: Concrete
Edition 2023-08

National Annex - Nationally determined parameters - Eurocode 2: Design of concrete structures - Part 2: Concrete bridges - Design and detailing rules
Edition 2013-04

Steels - Determination of calcium content - Flame atomic absorption spectrometric method (FAAS); German version EN 10177:2019
Edition 2019-10

Aerospace series - Elements of electrical and optical connection - Test methods - Part 212: Surface transfer impedance; German and English version EN 2591-212:2005
Edition 2006-08

Steel and cast iron - Determination of copper content - Flame atomic absorption spectrometric method (ISO 4943:2022); German version EN ISO 4943:2022
Edition 2023-01

Ergonomic design of control centres - Part 1: Principles for the design of control centres (ISO 11064-1:2000); German version EN ISO 11064-1:2000
Edition 2001-08