Water meters for cold potable water and hot water - Part 4: Non-metrological requirements not covered in ISO 4064-1 (ISO/DIS 4064-4:2023); German and English version prEN ISO 4064-4:2023

Biological evaluation of medical devices - Part 4: Selection of tests for interactions with blood - Amendment 1 (ISO 10993-4:2017/DAmd 1:2024)

Microbiology of the food chain - Method validation - Part 4: Protocol for method validation in a single laboratory - Amendment 2: Protocol for single-laboratory validation of identification methods of microorganisms

Secondary cells and batteries containing alkaline or other non-acid electrolytes - Secondary lithium cells and batteries for portable applications - Part 4: Coin secondary lithium cells, and batteries made from them (IEC 21A/829/CDV:2023); German and English version prEN IEC 61960-4:2023

Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 4: Valves (ISO/DIS 16486-4:2024); German and English version prEN ISO 16486-4:2024

Railway applications - Ballastless track systems - Part 4: Special ballastless track systems for attenuation of vibration

Microbiology of the food chain - Method validation - Part 4: Protocol for method validation in a single laboratory - Amendment 1: Validation of a larger test portion size for qualitative methods (ISO 16140 4:2020/FDAM 1:2024)

Railway applications - Ballastless track systems - Part 4: Special ballastless track systems for attenuation of vibration

Two-pole socket-outlets with earthing contact rated for 16 A 250 V AC, gauges for portable socket-outlets

IEC/TR 62258-4 Ed.2: Semiconductor die products - Part 4: Questionnaire for die users and suppliers