GB/T 17850.1-2002
AbolishedPreparation of steel substrates before application of paints and related products--Specifications for non-metallic blast-cleaning abrasives--General introductionand classification
涂覆涂料前钢材表面处理 喷射清理用非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 喷射清理用非金属磨料的技术要求 导则和分类