GB/T 18838.1-2002
ActivePreparation of steel substrates before application of paints and related products--Specifications for metallic blast-cleaning abrasives--General introduction and classification
涂覆涂料前钢材表面处理 喷射清理用金属磨料的技术要求 导则和分类
涂覆涂料前钢材表面处理 喷射清理用金属磨料的技术要求 导则和分类