美利体育登录入口官网:LST EN 12617-2-2004 用于保护和修复混凝土结构的产品和系统 测试方法 第2部分:基于聚合物粘合剂的裂缝注入产品的收缩:体积收缩
Products and systems for the protection and repair of concrete structures - Test methods - Part 2: Shrinkage of crack injection products based on polymer binder: volumetric shrinkage