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经互会成员国和南斯拉夫有色金属选矿科学技术委员会第19次例会于1985年9月2—6日在苏联乌查累市乌查累采选公司召开。从与会国提交会议的材料可见各国在有色金属选矿工艺及设备方面的开发和实用情
The 19th regular meeting of the members of the ECLAC and the Yugoslavian Nonferrous Metal Processing Science and Technology Commission was held on September 2-6, 1985 at the Uzharayan mining company in Urumqi, the Soviet Union. The materials submitted to the conference from the participating countries show the development and practical application of various countries in the non-ferrous metal beneficiation process and equipment