BS EN 1504-9:2008 混凝土结构的保护和修缮用产品和系统.合格的定义,要求,质量控制和评估.第9部分:产品和系统使用的一般原则
Products and systems for the protection and repair of concrete structures - Definitions, requirements, quality control and evaluation of conformity - Part 9:General principles for use of products and systems