Wastewater treatment plants - Part 11: General data required; German and English version prEN 12255-11:2021
Edition 2021-07

Aerospace series - Cables, electrical, aircraft use - Test methods - Part 601: Smoke density; German and English version EN 3475-601:2007
Edition 2008-11

Geometrical product specifications (GPS) - Surface texture: Areal - Part 603: Design and characteristics of non-contact (phase shifting interferometry) instruments (ISO/DIS 25178-603:2023); German and English version prEN ISO 25178-603:2023
Edition 2023-12

Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculation; German and English version prEN 12255-13:2021
Edition 2021-07

Cosmetics - Sun protection test methods - In Vitro determination of Sun Protection Factor (SPF) (ISO/DIS 23675:2023); German and English version prEN ISO 23675:2023
Edition 2024-01

Geometrical product specifications (GPS) - Surface texture: Areal - Part 604: Design and characteristics of non-contact (coherence scanning interferometry) instruments (ISO/DIS 25178-604:2023); German and English version prEN ISO 25178-604:2023
Edition 2023-11

Water meters for cold potable water and hot water - Part 1: Metrological and technical requirements (ISO/DIS 4064-1:2023); German and English version prEN ISO 4064-1:2023
Edition 2023-12

Aerospace series - Arc fault circuit breakers, three-poles, temperature compensated, rated current 3 A to 25 A - 115 V a.c. 400 Hz constant frequency - Part 001: Technical specification; German and English version EN 4839-001:2018
Edition 2019-01

Aerospace series - Arc Fault Circuit breakers, single-pole, temperature compensated, rated current 3 A to 25 A - 115 V a.c. 400 Hz Constant Frequency - Part 001: Technical specification; German and English version EN 4838-001:2018
Edition 2018-11

Aerospace series - Circuit breakers, three-pole, temperature compensated, rated currents 1 A to 25 A - Part 001: Technical specification; German and English version EN 3774-001:2014
Edition 2014-12