NF T35-508-1:1997 Preparation of steel substrates before application of paints and related products. Specifications for non-metallic blast-cleaning abrasives. Part 1 : general introduction and classification.
1997NF T35-508-1:1997 Preparation of steel substrates before application of paints and related products. Specifications for non-metallic blast-cleaning abrasives. Part 1 : general introduction and classification.