din-105-2
粘土砌块 第2部分:热绝缘砌块和垂直穿孔砌块(容重等级 ≤ 1.0)
Clay masonry units — Part 2: Thermal insulation units and vertically perforated units of bulk density classes ≤ 1,0
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Clay masonry units — Part 2: Thermal insulation units and vertically perforated units of bulk density classes ≤ 1,0
Clay masonry units — Part 1: Solid units and vertically perforated units of bulk density classes ≥ 1,2