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1973年1月13日至15日在山西太原选煤厂召开了ФМ—2.5型浮选机技术改革总结座谈会。参加会议的有燃化部科教组,山西省煤化局,燃化部煤炭科学院,洛阳矿山机器厂,太钢焦化厂、西山矿务局、平顶山选煤设计研究所、山西省煤矿设计
From January 13 to January 15, 1973, the symposium on the technical reform of ФМ-2.5 flotation machine was held in Taiyuan Coal Preparation Plant in Shanxi Province. Participated in the meeting of the Ministry of Science and Education Ministry of Combustion, Coalification Bureau of Shanxi Province, Ministry of Coal and Chemical Industry Institute of Combustion, Luoyang Mining Machinery Factory, TISCO Coking Plant, Xishan Mining Bureau, Pingdingshan Coal Design Institute, coal mine design in Shanxi Province