ministry of metallurgical industry
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冶金工业部洛阳耐火材料研究所。
Ministry of Metallurgical Industry Luoyang Institute of Refractories.
youdao
介绍了近年来国家、原冶金工业部对部分钢铁产品监督抽查结果，并进行了初步分析。
The recent inspection results of some iron and steel products supervised by the state and MMI are introduced and analysed in the article.
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