BS 7079-A3:2002
涂料和有关产品使用前钢衬底的制备.表面清洁度的目视评定.焊接点、切割边缘及其他表面缺陷区域的处理等级
Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Preparation grades of welds, cut edges and other areas with surface imperfections - A3: Preparation grades of welds, cut edges a