GB/T 17850.7-2017

Preparation of steel substrates before application of paints and related products—Specifications for non-metallic blast-cleaning abrasives—Part 7: Fused aluminium oxide

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7部分：熔融氧化铝