DIN 20000-404:2015
建筑物内建筑产品的应用.第404:依照DIN EN 771-4-2011-07高压蒸养加气混凝土砌块的应用规则

Application of building products in structures - Part 404: Rules for the application of autoclaved aerated concrete masonry units according to DIN EN 771-4:2011-07



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