AENOR Logo

Normas CEN

4018 Resultados disponibles

Filtrar:

(2625)
(1393)
EN

EN ISO 14644-5:2025

En Vigor
2025-06-04
Cleanrooms and associated controlled environments - Part 5: Operations (ISO 14644-5:2025)
EN

EN ISO 11980:2025

En Vigor
2025-07-02
Ophthalmic optics - Contact lenses and contact lens care products - Requirements and guidance for clinical investigations (ISO 11980:2025)
EN

EN 1776:2025

En Vigor
2025-12-17
Gas infrastructure - Gas measuring systems - Functional requirements
EN

EN ISO 13473-5:2025

En Vigor
2025-03-19
Characterization of pavement texture by use of surface profiles - Part 5: Determination of megatexture (ISO 13473-5:2025, Corrected version 2025-06)
EN

EN ISO 11295:2026

En Vigor
2026-02-11
Plastics piping systems used for the rehabilitation of pipelines - Classification and overview of strategic, tactical and operational activities (ISO 11295:2026)
EN

EN ISO 16486-2:2024/A11:2025

En Vigor
2025-07-30
Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 2: Pipes
EN

EN ISO 5659:2026

En Vigor
2026-02-04
Plastics - Smoke generation - Determination of optical density by a single-chamber test (ISO 5659:2026)
EN

EN ISO 17507-2:2025

En Vigor
2025-12-17
Natural gas - Calculation of methane number of gaseous fuels for reciprocating internal combustion engines - Part 2: PKI method (ISO 17507-2:2025)