DIN EN 1504-2 E:2015-03
混凝土结构物的保护和修理用产品和系统 定义、要求、质量控制和合格评价 第2部分:混凝土的表面防护系统(草案)
Products and systems for the protection and repair of concrete structures - Definitions, requirements, quality control and evaluation of conformity - Part 2: Surface protection systems for concrete