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1992年9月9日至10日,冶金工业部在包钢隆重召开包头中贫氧化矿生产攻关技术改造总结大会,表彰并重奖了有关单位
From September 9 to September 10, 1992, the Metallurgical Industry Department solemnly held a wrap-up meeting in Baotou to summarize the technological transformation of lean-oxidizing ore production in Baotou, and commended and rewarded the relevant units