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Normas CEN

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EN

EN 16584-1:2025

En Vigor
2025-10-01
Railway applications - Design for PRM use - General requirements - Part 1: Contrast
EN

CEN/TS 13714:2013

En Vigor
2023-03-05
Characterization of sludges - Sludge management in relation to use or disposal
EN

CEN/TR 17801:2022

En Vigor
2022-02-16
Guidelines for water safety plan concept in buildings
EN

EN ISO 23697-2:2025

En Vigor
2025-12-17
Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23697-2:2023)