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世界钢号对照表_图文_百度文库
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世界钢号对照表_图文_百度文库
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http://wenku.baidu.com/view/885de96a561252d380eb6eb1.html
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Masonry Materials
2010-8-25 · ... JIS G3127 SL2N255 SlL3N255 SL3N275 SL3N440 SL9N520 SL9N590 美国 德国 DIN 17280 材料号码 1.5637 1.5662 1.5662 ASTM A203 Gr.A A203 Gr.D A203 …
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