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冶金工业部机械动力司及中国有色金属总公司于1984年11月16日到19日在鞍山主持召开鉴定会,对东北工学院冶金重载齿轮科研组、沈阳有色冶金机械厂、鞍钢中板厂、齐齐哈尔钢厂等共同研制加工的2300轧机齿
Ministry of Metallurgical Industry Machinery Power Division and China Nonferrous Metals Corporation November 16, 1984 to 19 held in Anshan appraisal of the Northeast Institute of Metallurgical Heavy Gear Research Group, Shenyang Non-ferrous Metallurgical Machinery Factory, Anshan Iron and Steel MILL , Qiqihar Steel and other joint development and processing of 2300 mill teeth