Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 3: Preparation grades of welds, edges and other areas with surface imperfections (ISO 8501-3:2006)
涂料和相关产品使用前钢衬底的制备表面清洁度的目视评定第3部分:焊缝、边缘和其他有表面缺陷区域的制备等级;德文版EN ISO 8501-3:2007