DIN 52450:1985-08 Testing of inorganic non-metallic building materials; determination of shrinkage and expansion on small specimens
标准编号:DIN 52450:1985-08
英文标题:Testing of inorganic non-metallic building materials; determination of shrinkage and expansion on small specimens
德文标题:Prüfung anorganischer nichtmetallischer Baustoffe; Bestimmung des Schwindens und Quellens an kleinen Probekörpern
发布日期:1985-08
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