
Steel for the reinforcement and prestressing of concrete - Test methods - Part 3: Prestressing steel (ISO 15630-3:2019)
出版:Comite Europeen de Normalisation

专家解读视频
Steel for the reinforcement and prestressing of concrete - Test methods - Part 3: Prestressing steel (ISO 15630-3:2019)
出版:Comite Europeen de Normalisation
专家解读视频