ISO 8501-1:1988/Suppl:1994 涂料和有关产品使用前钢衬底的制备.表面清洁度的视觉评价.第1部分的补充信息:用不同磨料喷砂处理时钢表面变化的典型摄影实例
Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Informative supplement to Part 1: Representative photographic examples of the change of appearance imparted to steel when blast-