NF T35-507-3:1997 Preparation of steel substrates before application of paints and related products. Test methods for metallic blast-cleaning abrasives. Part 3 : determination of hardness.
1997NF T35-507-3:1997 Preparation of steel substrates before application of paints and related products. Test methods for metallic blast-cleaning abrasives. Part 3 : determination of hardness.