German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of tidal waters (A 20)
Edition 1987-08

German standard methods for the examination of water, waste water and sludge - Anions (group D) - Part 29: Spectrometric determination of nitrate with sulfosalicylic acid (D 29); ISO 7890-3:1988, modified
Edition 1994-11

Acoustics; statistical methods for determining and verifying stated noise emission values of machinery and equipment; part 4: methods for stated values for batches of machines; (identical with ISO 7574-4:1985); german version EN 27574-4:1988
Edition 1989-03

Industrial straight stem liquid-in-glass thermometers with V-shaped case, of nominal size 110; dimensions and nominal ranges
Edition 1991-09

Industrial straight stem liquid-in-glass thermometers with V-shaped case, of nominal size 150; dimensions and nominal ranges
Edition 1991-09

Industrial 90° angle stem liquid-in-glass thermometers with V-shaped case, of nominal size 150; dimensions and nominal ranges
Edition 1991-09

Water quality - Determination of highly volatile halogenated hydrocarbons - Gas-chromatographic methods (ISO 10301:1997); German version EN ISO 10301:1997
Edition 1997-08

German language names for the alpha-2 code according to ISO 639-1
Edition 2016-08

Reliability testing - Compliance test plans for success ratio (IEC 56/1831/CDV:2019); German and English version prEN IEC 61123:2019
Edition 2020-02

Mine plans - Stratigraphy - Part 1: General classification
Edition 2013-03