EN ISO 8501-2:2001
涂装油漆和有关产品前钢材预处理.表面清洁度的目视评定.第2部分:局部清除原有涂层后钢材的锈蚀等级
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