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    45#、42CrMo厚壁合金钢管《天津点金会电投钢管厂》

    文章來源:天津点金会电投钢管厂| 时间:2019/6/3 9:23:14

    天津点金会电投钢管厂生產銷售  325*85-100   45#、20#、42CrMo、27SiMn厚壁无缝钢管。
    http://www.amtekgd.com/show.asp?id=256 相關信息
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