DIN V 4102-21:2002-08 Fire behaviour of building materials and building components - Part 21: Assessment of the performance of fire resistant air ducts

标准编号：DIN V 4102-21:2002-08

英文标题：Fire behaviour of building materials and building components - Part 21: Assessment of the performance of fire resistant air ducts

德文标题：Brandverhalten von Baustoffen und Bauteilen - Teil 21: Beurteilung des Brandverhaltens von feuerwiderstandsfähigen Lüftungsleitungen

发布日期：2002-08

标准预览图