NBN EN ISO 21805:2023/A1:2026
Active Standard amendment
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NBN EN ISO 21805:2023/A1:2026

Guidance and recommendations on design, selection and installation of vents to safeguard the structural integrity of enclosures protected by gaseous fire-extinguishing systems - Amendment 1 (ISO 21805:2023/Amd 1:2025)
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Publisher Bureau de Normalisation Belge (NBN)
Publication Date 01/15/2026
Page Count 0
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