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Smoke and heat control systems — Part 3: Specification for powered smoke and heat exhaust ventilators — Amend…

Smoke and heat control systems — Part 3: Specification for powered smoke and heat exhaust ventilators

Smoke and heat control systems — Part 3: Specifications for powered smoke and heat exhaust ventilators

Overview ISO 21927-3:2021 – Smoke and heat control systems – Part 3: Specifications for powered smoke and heat exhaust ventilators sets internationally recognized criteria for the performance, reliab…

Smoke and heat control systems. Specifications for powered smoke and heat exhaust ventilators.