Information Technology - 8-Bit Single-Byte Coded Graphic Character Sets - Part 4: Latin Alphabet No. 4
Edition 2002-03-01

Ambient air - Standard method for measurement of NO₃⁻, SO₄²⁻, Cl⁻, NH₄⁺, Na⁺, K⁺, Mg²⁺, Ca²⁺ in PM2,5 as deposited on filters; German version EN 16913:2017
Edition 2017-09

Water quality - Determination of dissolved Li⁺, Na⁺, NH₄⁺, K⁺, Mn²⁺, Ca²⁺, Mg²⁺, Sr²⁺ and Ba²⁺ using ion chromatography - Method for water and waste water (ISO 14911:1998); German version EN ISO 14911:1999
Edition 1999-12

Machine Tools; Spline Shafts and Spline Bore Profiles with 4 Splines, Internal Centering, Dimensions
Edition 1974-08

Water-tube boilers and auxiliary installations - Part 4: In-service boiler life expectancy calculations; German version EN 12952-4:2011
Edition 2011-10

Free hanging heating and cooling surfaces for water with a temperature below 120 °C - Part 4: Pre-fabricated ceiling mounted radiant panels - Test method for cooling capacity; German version EN 14037-4:2016
Edition 2016-12

Photocatalysis - Continuous flow test methods - Part 1: Determination of the degradation of nitric oxide (NO) in the air by photocatalytic materials; German version EN 16980-1:2021
Edition 2021-12

Earth-moving machinery - Functional safety - Part 4: Design and evaluation of software and data transmission for safety-related parts of the control system (ISO 19014-4:2020); German version EN ISO 19014-4:2020
Edition 2021-01