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Normas CEN

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EN

CEN/TR 16931-11-1:2026

En Vigor
2026-02-11
Electronic invoicing - Part 11: e-Receipt syntaxes
 
EN

EN 14067-4:2024+A1:2025

En Vigor
2025-05-14
Railway applications - Aerodynamics - Part 4: Requirements and assessment procedures for aerodynamics on open track
 
EN

EN ISO 7719:2025

En Vigor
2025-06-18
Fasteners - Prevailing torque hexagon nuts - Regular nuts (all metal) (ISO 7719:2025)
 
EN

EN ISO 7040:2025

En Vigor
2025-06-25
Fasteners - Prevailing torque hexagon nuts - Regular nuts (with non-metallic insert) (ISO 7040:2025)