
Steel for the reinforcement and prestressing of concrete - Test methods - Part 1: Reinforcing bars, rods and wire (ISO 15630-1:2019)
出版:Comite Europeen de Normalisation

专家解读视频
Steel for the reinforcement and prestressing of concrete - Test methods - Part 1: Reinforcing bars, rods and wire (ISO 15630-1:2019)
出版:Comite Europeen de Normalisation
专家解读视频