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冶金部安全技术情报网于5月5～8日在马鞍山钢铁公司召开高频电力破矿经验交流会,参加会议的有31个单位的63名代表。会议期间,马钢姑山铁矿、山东铝厂、阳泉铝土矿、二机部七二一矿、湖北无线电厂、武汉冶金安全技术研究所等单位分别作了高频电力破矿研究、试验和设备试制的报告,介绍了国外电力破矿技术动态。长沙矿
Ministry of Metallurgical Safety Technology Information Network held May 5-8 in Maanshan Iron and Steel Company held high frequency power mining experience exchange meeting attended the meeting of 63 representatives of 31 units. During the meeting, units such as Masteel Gushan Iron Mine, Shandong Aluminum Plant, Yangquan Bauxite Mine, No. 2 Machine Building 721 Mine, Hubei Radio Factory and Wuhan Metallurgical Safety Technology Research Institute made high-frequency power rock breaking research, test and equipment Trial report, introduced the foreign electric power mining technology. Changsha mine