DIN EN ISO 11124-4-1997 涂覆前钢的表面准备.金属喷丸材料要求.第4部分:低碳铸钢喷丸
Preparation of steel substrates before application of paints and related products - Specifications for metallic blast-cleaning abrasives - Part 4: Low-carbon cast-steel shot (ISO 11124-4:1993); German version EN ISO 11124-4:1997