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B210P1 B250P1 B340LA HC380LA HC480LA低合金汽车冷轧钢板
钢厂优惠供应冷轧卷 热镀锌卷 汽车钢HC380LA 380～480 440～580
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宝钢冷轧低合金汽车钢板 B210P1 B250P1 B340LA HC380LA HC480LA
宝钢B210P1 B250P1 B340LA HC380LA HC480LA冷轧低合金汽车钢板
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现货供B210P1 B250P1 B340LA HC380LA HC480LA冷轧低合金汽车钢板
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HC380LA 宝钢B210P1 HC480LA冷轧低合金汽车钢板 B340LA B250P1
Q/BQB419-2014 HC380LA屈服强度380～480MPa抗拉强度440～580MPa
优质HC480LA冷轧低合金汽车钢板 宝钢B210P1 B250P1 HC380LA B340
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B210P1 B250P1 B340LA HC380LA HC480LA冷轧低合金汽车钢板
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B340LA HC380LA B250P1 宝钢B210P1 HC480LA冷轧低合金汽车钢板
