Field acceptance tests of storage pumps
Edition 1971-10

Biotechnology - Guidance on assessment of the purity, biological activity and stability of microorganism based products; German version EN 12689:1998
Edition 1998-10

Chemical disinfectants - Quantitative suspension test for the evaluation of virucidal activity against bacteriophages of chemical disinfectants used in food and industrial areas - Test method and requirements (phase 2, step 1); German version EN 13610:2002
Edition 2003-06

Framework for energy market communications - Part 451-4: Settlement and reconciliation business process, contextual and assembly models for European market (IEC 62325-451-4:2017); German version EN 62325-451-4:2017
Edition 2019-03

Programmable controllers - Part 1: General information (IEC 61131-1:2003); German version EN 61131-1:2003
Edition 2004-03

Distribution automation using distribution line carrier systems - Part 4: Data communication protocols; Section 42: Application protocols; Application layer (IEC 61334-4-42:1996); German version EN 61334-4-42:1996
Edition 1997-09

Basic financial analysis for private households
Edition 2023-12

Valves - Requirements and tests - Part 2: Protection against corrosion by duromer thick coating
Edition 2018-08

Guidance on system dependability specifications (IEC 62347:2006); German version EN 62347:2007
Edition 2007-07

German standard methods for the examination of water, waste water and sludge - Parameters characterizing effects and substances (group H) - Part 60: Spectrometric determination of the chlorophyll-a concentration in water (H 60)
Edition 2019-12