German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of oxygen production by means of the light and dark bottle method under laboratory conditions (SPL) (L 14) (determination of oxygen production potential)
Edition 1983-09

German standard methods for the examination of water, waste water and sludge; cations (group E); determination of sodium by atomic absorption spectrometry (ASS) using an air-acetylene flame (E 14)
Edition 1992-07

Rolling bearings - Radial spherical roller bearings - Part 1: Single row with cylindrical and tapered bore (Barrel roller bearing)
Edition 2010-05

German standard methods for the examination of water, waste water and sludge; anions (group D); determination of dissolved silicate by spectrometry (D 21)
Edition 1990-10

Structural bearings - Part 11: Transport, storage and installation; German version EN 1337-11:1997
Edition 1998-04

Indirect methods of determining the frost resistance of roofing tiles; determination of coefficient of impregnation
Edition 1987-04

Textiles - Dyestuffs - Part 1: General principles of testing coloured textiles for dyestuff identification (ISO 16373-1:2015); German version EN ISO 16373-1:2015
Edition 2016-05

ISO general purpose metric screw threads - Part 1: Nominal sizes for coarse pitch threads; nominal diameter from 1 mm to 68 mm
Edition 1999-11

Rolling bearings - Thermal speed rating - Calculation (ISO 15312:2018)
Edition 2019-04

Fasteners - Technical delivery conditions - Part 24: Hardness classes for nuts without specified proof load values
Edition 2007-10