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钢筋混凝土用耐蚀钢筋
Corrosion resistance bars for the reinforcement of concrete
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无磁石油钻具用钢棒
Steel bars for nonmagnetic petroleum drilling tools
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卷帘门及钢窗用冷弯型钢尺寸、外形、重量及允许偏差
Cold forming sectional steel for folding gate and sash window—Dimension,form,weight and permissible deviations
价格：￥0.00
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塑料模具钢模块技术条件
Specification for die blocks of plastic die steel
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刮板输送机热轧矿用槽帮钢型式、尺寸
价格：￥0.00
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