Microbiology of the food chain - Preparation of test samples, initial suspension and decimal dilutions for microbiological examination - Part 1: General rules for the preparation of the initial suspension and decimal dilutions - Amendment 1: Requirements and guidance on the use of larger test portion size for qualitative methods (ISO 6887-1:2017/DAM 1:2023); German and English version EN ISO 6887-1:2017/prA1:2023
Edition 2023-08

Common control interface for networked digital audio and video products - Part 1: General (IEC 62379-1:2007); German version EN 62379-1:2007
Edition 2008-03

Directly heated negative temperature coefficient thermistors - Part 1: Generic specification (IEC 60539-1:2022); German version EN IEC 60539-1:2023
Edition 2024-09

Digital audio tape cassette system (DAT) - Part 1: Dimensions and characteristics (IEC 61119-1:1992); German version EN 61119-1:1994
Edition 1994-09

Automatic catchweighing instruments - Part 1: Metrological and technical requirements - Tests (OIML R 51-1:2006 + Erratum 2010)
Edition 2011-05

Urban Rail - Requirements for Urban Rail Tracks - Part 1: Basics
Edition 2023-10

Railway applications - Rail - Part 1: Vignole railway rails 46 kg/m and above; German and English version prEN 13674-1:2023
Edition 2023-05

Expression of performance of gas analyzers - Part 1: General (IEC 61207-1:2010); German version EN 61207-1:2010
Edition 2011-04

Magnetic materials - Part 1: Classification (IEC 60404-1:2016); German version EN 60404-1:2017
Edition 2017-08

Electroacoustics - Octave-band and fractional-octave-band filters - Part 1: Specifications (IEC 61260-1:2014); German version EN 61260-1:2014
Edition 2014-10