GB 1499.2-2007
Steel for the reinforceMent of concrete - Part 2: Hot rolled bars 钢筋混凝土用钢 第2部分:热轧带肋钢筋 |
GB/T 14985-2007
General rules of diMensions, shape, surface, quality, testing method and inspection for expansion alloys 膨胀合金尺寸、外形、表面质量、试验方法和检验规则的一般规定 |
GB/T 5027-2007
Metallic materials - Sheet and strip - Determination of plastic strain ratio 金属材料 薄板和薄带塑性应变比(r值)的测定 |
GB/T 6730.13-2007
Iron ores - DeterMination of calcium and magnesium content - EGTA-CyDTA titrimetric method 铁矿石 钙和镁含量的测定 EGTA-CyDTA滴定法 |
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