Walking aids - General requirements and test methods; German version EN 1985:1998
Edition 1999-02

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

German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of Daphnia to the toxicity of waste water by way of a dilution series (L 30)
Edition 1989-03

Natural gas - Standard reference conditions (ISO 13443:1996, including Corrigendum 1:1997); German version EN ISO 13443:2005
Edition 2007-09

Communication cables - Part 2-1: Common design rules and construction; German version EN 50290-2-1:2005
Edition 2005-10

Steel and iron  - Determination of titanium content - Diantipyrylmethane spectrophotometric method (ISO 10280:1991); German version EN ISO 10280:1995
Edition 1996-02

Steel pressure vessels for water supply systems
Edition 1991-09

Pulps - Determination of saleable mass in lots - Part 1: Pulp baled in sheet form (ISO 801-1:1994); German version EN ISO 801-1:1996
Edition 1996-11

Graphical symbols for diagrams - Part 9: Telecommunications; switching and peripheral equipment (IEC 60617-9:1996); German version EN 60617-9:1996
Edition 1997-08

Mechanical vibration - Rotor balancing - Part 14: Procedures for assessing balance errors (ISO 21940-14:2012 + Amd 1:2022)
Edition 2023-04