DIN EN ISO 12944-4:2018 涂料和清漆.用防护涂料系统对钢结构进行的防腐蚀保护.第4部分:表面类型和表面处理(ISO 12944-4-2017);德文版本EN ISO 12944-4-2017
Paints and varnishes - Corrosion protection of steel structures by protective paint systems - Part 4: Types of surface and surface preparation (ISO 12944-4:2017); German version EN ISO 12944-4:2017