Simple unfired pressure vessels designed to contain air or nitrogen - Part 1: Pressure vessels for general purposes; German version EN 286-1:1998
Edition 1998-08

Tanks for the transport of dangerous goods - Plug/socket connection and supply characteristics for service equipment in hazardous areas with 24 V nominal supply voltage; German version EN 15207:2014
Edition 2015-03

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

Building valves - Copper alloy stopvalves for potable water supply in buildings - Tests and requirements; German version EN 1213:1999
Edition 1999-12

German standard methods for the examination of water, waste water and sludge; physical and physico-chemical parameters (group C); determination of the oxidation reduction (redox) potential (C 6)
Edition 1984-05

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

Aluminium and aluminium alloys - Test methods - Earing test for sheet and strip; German version EN 1669:1996
Edition 1997-02

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

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

Steel pressure vessels for water supply systems
Edition 1991-09