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由冶金工业部矿山司主持召开的遵义铜锣井锰矿采矿和选矿工艺流程工业试验技术鉴定会于1987年3月22至26日在遵义市召开。出席会议的有冶金部矿山司、科技司、锰矿技术委员会等27个单位的专家、教授和工程技术人员。会议期间代表们根据会议的要求发表了很好的意见,充分肯定了由遵义铁合金厂、马鞍山研究院和长沙黑色冶金矿
The Ministry of Metallurgical Industry Mining Division presided over the Zunyi Tonglui manganese ore mining and beneficiation process industrial test technical appraisal meeting in 1987 March 22 to 26 held in Zunyi City. The meeting was attended by experts, professors, engineers and technicians from 27 units including the Ministry of Metallurgical Department, Division of Science and Technology, and Manganese Mine Technology Committee. During the meeting, deputies made good suggestions according to the requirements of the meeting and fully affirmed the cooperation between Zunyi Ferroalloy Plant, Ma’anshan Research Institute and Changsha Black Metallurgical Mine