Standard Practice for Determination of the Effectiveness of Anti-Graffiti Coating for Use on Concrete, Masonry and Natural Stone Surfaces by Pressure Washing
通过压力洗涤确定用于混凝土 砖石和天然石材表面的防涂层涂层有效性的标准做法
2021-01-01
HG/T 20720-2020
工业建筑钢结构用水性防腐蚀涂料施工及验收规范(附条文说明)
Construction and acceptance specification of waterborne anti-corrosion coatings for steel structures in industrial buildings