GB/T 1499.2-2018钢筋混凝土用钢 第2部分:热轧带肋钢筋 [Steel for the Reinforcement of Concrete-Part 2: Hot Rolled Ribbed Bars (ISO 6935-2:2015,Steel for the Reinforcement of Concrete-Part 2: Ribbed Bars,NEQ)] 电子书下载 PDF下载
GB/T 1499.2-2018钢筋混凝土用钢 第2部分:热轧带肋钢筋 [Steel for the Reinforcement of Concrete-Part 2: Hot Rolled Ribbed Bars (ISO 6935-2:2015,Steel for the Reinforcement of Concrete-Part 2: Ribbed Bars,NEQ)] 高清PDF下载
GB/T 1499.2-2018钢筋混凝土用钢 第2部分:热轧带肋钢筋 [Steel for the Reinforcement of Concrete-Part 2: Hot Rolled Ribbed Bars (ISO 6935-2:2015,Steel for the Reinforcement of Concrete-Part 2: Ribbed Bars,NEQ)] txt下载
GB/T 1499.2-2018钢筋混凝土用钢 第2部分:热轧带肋钢筋 [Steel for the Reinforcement of Concrete-Part 2: Hot Rolled Ribbed Bars (ISO 6935-2:2015,Steel for the Reinforcement of Concrete-Part 2: Ribbed Bars,NEQ)] 电子书下载
GB/T 1499.2-2018钢筋混凝土用钢 第2部分:热轧带肋钢筋 [Steel for the Reinforcement of Concrete-Part 2: Hot Rolled Ribbed Bars (ISO 6935-2:2015,Steel for the Reinforcement of Concrete-Part 2: Ribbed Bars,NEQ)] 在线阅读
GB/T 1499.2-2018钢筋混凝土用钢 第2部分:热轧带肋钢筋 [Steel for the Reinforcement of Concrete-Part 2: Hot Rolled Ribbed Bars (ISO 6935-2:2015,Steel for the Reinforcement of Concrete-Part 2: Ribbed Bars,NEQ)] download