Footwear - Critical substances potentially present in footwear and footwear components - Determination of certain organic solvents (ISO/DIS 20686:2023); German and English version prEN ISO 20686:2023

Footwear - Critical substances potentially present in footwear and footwear components - Determination of certain organic solvents (ISO/DIS 20686:2023)

Power systems management and associated information exchange - Data and communications security - Part 9: Cyber security key management for power system equipment (IEC 57/2338/CD:2021); Text in German and English

Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures (ISO/DIS 6143:2023); German and English version prEN ISO 6143:2023

Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures (ISO/DIS 6143:2023)

Optical fibres - Part 1-22: Measurement methods and test procedures - Length measurement (IEC 86A/2335/CDV:2023); German and English version prEN IEC 60793-1-22:2023

Corrosion of metals and alloys - Corrosion in artificial atmosphere - Accelerated corrosion test involving exposure under controlled conditions of humidity cycling and intermittent spraying of a salt solution (ISO/DIS 16701:2023); German and English version prEN ISO 16701:2023

Corrosion of metals and alloys - Corrosion in artificial atmosphere - Accelerated corrosion test involving exposure under controlled conditions of humidity cycling and intermittent spraying of a salt solution (ISO/DIS 16701:2023)

Gas-fired central heating boilers - Part 2-2: Specific standard for type B1 appliances; German version EN 15502-2-2:2024