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EN

EN 1793-4:2025

En Vigor
2025-12-24
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - Intrinsic sound diffraction
 
EN

EN ISO 11819-1:2023

En Vigor
2023-03-08
Acoustics - Measurement of the influence of road surfaces on traffic noise - Part 1: Statistical Pass-By method (ISO 11819-1:2023)
 
EN

EN ISO/ASTM 52953:2025

En Vigor
2025-08-27
Additive manufacturing for metals - General principles - Registration of data acquired from process monitoring and for quality control (ISO/ASTM 52953:2025)
 
EN

EN 18025:2025

En Vigor
2025-09-03
Water quality - Guidance standard on a strategic approach to river restoration