din-105-5(1)
粘土砖 - 轻质水平穿孔砖及轻质水平穿孔砖板
Clay bricks - Lightweight horizontally perforated bricks and lightweight horizontally perforated brick panels
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Clay bricks - Lightweight horizontally perforated bricks and lightweight horizontally perforated brick panels
Clay bricks - High strength bricks and high strength engineering bricks