KS M ISO 8501-2:2019 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 lo
2019KS M ISO 8501-2:2019 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 lo
2008KS M ISO 8501-2:2008 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