Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 2: Preparation grades of previously coated steel substrates after localized removal of previous coatings. (ISO 8501-2:1994)
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2部分:局部去除先前涂层后先前涂层钢衬底的制备等级 (ISO 8501-2-1994)