
Steel For The Reinforcement Of Concrete - Weldable Ribbed Reinforcing Steel B 500 - Technical Delivery Conditions For Bars, Coils And Welded Fabric
出版:Osterreichisches Normungsinstitut

专家解读视频
Steel For The Reinforcement Of Concrete - Weldable Ribbed Reinforcing Steel B 500 - Technical Delivery Conditions For Bars, Coils And Welded Fabric
出版:Osterreichisches Normungsinstitut
专家解读视频