DIN EN ISO 10545-3-1997 瓷砖.第3部分:吸水率、显气孔率、表观相对密度和容重的测量
Ceramic tiles - Part 3: Determination of water absorption, apparent porosity, apparent relative density and bulk density (ISO 10545-3:1995, including Technical Corrigendum 1:1997); German version EN ISO 10545-3:1997