Preparation of steel substrates before application of paints and related products - Test methods for non-metallic blast-cleaning abrasives - Part 1: Sampling (ISO 11127-1:2020); German version EN ISO 11127-1:2021
Edition 2021-05

Mechanical vibration - Resilient elements used in railway tracks - Part 1: Terms and definitions, classification, test procedures
Edition 2010-08

Wastewater treatment plants - Part 6: Activated sludge process; German version EN 12255-6:2002
Edition 2002-04

Wastewater treatment plants - Part 11: General data required; German version EN 12255-11:2001
Edition 2001-07

Wastewater treatment plants - Part 7: Biological fixed-film reactors; German version EN 12255-7:2002
Edition 2002-04

Wastewater treatment plants - Part 13: Chemical treatment; Treatment of wastewater by precipitation/flocculation; German version EN 12255-13:2002
Edition 2003-04

Wastewater treatment plants - Part 12: Control and automation; German version EN 12255-12:2003
Edition 2003-12

Railway applications - Measuring of new railway vehicles - Part 5: Measuring methods at chassis for bogies of running gears; with CD-ROM
Edition 2012-02

Railway applications - Track - Concrete sleepers and bearers - Part 5: Special elements; German version EN 13230-5:2016
Edition 2016-11

Concept for the design of 3D models based on properties according to DIN 4000 - Part 1: Overview and fundamental principles
Edition 2017-10