GB/T 17850.11-2011
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.第11部分:钢渣特种型砂
Preparation of steel substrates before application of paints and related products.Specifications for non-metallic blast-cleaning abrasives.Part 11: Special type grit of steel slag
GBT17850.11-2011, GB17850.11-2011