Fire containment — Elements of building construction — Part 1: Ventilation ducts — Amendment 1
Endiguement du feu — Éléments de construction — Partie 1: Conduits de ventilation — Amendement 1
13.220.50 - Fire-resistance of building materials and elements.
91.140.30 - Ventilation and air-conditioning systems. Including ventilation ducts
Modifica a: ISO 6944-1:2008
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