GB/T 17850.9-2021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9部分:十字石标准
英文:Preparation of steel substrates before application of paints and related products—Specifications for non-metallic bla...
英文:Preparation of steel substrates before application of paints and related products—Specifications for non-metallic bla...