DIN EN 771-4:2011-07 Specification for masonry units - Part 4: Autoclaved aerated concrete masonry units; German version EN 771-4:2011
标准编号:DIN EN 771-4:2011-07
英文标题:Specification for masonry units - Part 4: Autoclaved aerated concrete masonry units; German version EN 771-4:2011
德文标题:Festlegungen für Mauersteine - Teil 4: Porenbetonsteine; Deutsche Fassung EN 771-4:2011
发布日期:2011-07
标准预览图


