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

ISO general purpose metric screw threads - Part 7: Nominal sizes for 2 mm fine pitch threads; nominal diameter from 17 mm to 300 mm
Edition 1999-11

Round steel link chains - Round steel link chains for chain conveyors - Part 1: Grade 3
Edition 2010-10

Round steel link chains - Round steel link chains for chain conveyors - Part 2: Grade 5
Edition 2010-10

Geometrical product specifications (GPS) - Workshop plug gauges and spherical plug gauges for inside diameters with tolerance class according to DIN EN ISO 286-1 and DIN EN ISO 286-2 from 1 mm to 500 mm nominal size - Deviations and tolerances for gauges
Edition 2017-03

Geometrical product specifications (GPS) - Working gauges for external dimensions with tolerance class according to DIN EN ISO 286-1 and DIN EN ISO 286-2 and nominal dimensions of 1 mm to 500 mm and associated acceptance gauges - Gauge dimensions and tolerances
Edition 2017-03

Petroleum industry - Wire ropes and rope reeving - Part 2: Rope reeving
Edition 2016-12

Valves for domestic water supply PN 10 - Metallic tapered unions - Part 2: Tubes and sleeves
Edition 2017-11

Quality assessment systems - Part 2: Selection and use of sampling plans for inspection of electronic components and packages (IEC 61193-2:2007); German version EN 61193-2:2007
Edition 2008-08

Corrosion of metals - Methods for evaluation of efficiency of water treatment apparatus for corrosion protection - Part 2: Apparatus for decreasing of emission of corrosion products to drinking water
Edition 2024-07