Aerospace series - Hexavalent chromium free anodizing of aluminium and aluminium alloys; German and English version prEN 4827:2020
Edition 2021-01

Piezoelectric ceramic resonators and resonator units for frequency control and selection; standard values and conditions; measuring and test conditions; identical with IEC 60642, edition 1979
Edition 1988-04

Microbiological analysis of milk; determination of Escherichia coli; fluorescence optical method with parallel determination of coliforms
Edition 1992-10

Cross-country skis; binding mounting area; requirements and test methods; identical with ISO 9119:1990
Edition 1991-08

Valve steels and alloys for internal combustion engines; German version EN 10090:1998
Edition 1998-03

Fire behaviour of building materials and building components - Part 4: Synopsis and application of classified building materials, components and special components; Amendment A1
Edition 2023-04

Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids (IEC 61669:2015); German version EN 61669:2016
Edition 2018-06

Microbeam analysis - Electron backscatter diffraction - Measurement of average grain size (ISO 13067:2020)
Edition 2021-08

Railway applications - Ride comfort for passengers - Measurement and evaluation; German version EN 12299:2009
Edition 2009-08

Waterproofing of concrete areas trafficable by vehicles - Part 2: Waterproofing with composite sheeting comprising a single welded polymerized bitumen sheet and a mastic asphalt waterproofing layer
Edition 2024-09