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1984年2月19～20日,由中国科学院长春分院和吉林省冶金总公司主持下在浑江铝厂召开了铝稀土合金、铝锰稀土合金及电工铝稀土合金绞线鉴定会。会上
February 19, 1984 to 20, by the Changchun Branch of the Chinese Academy of Sciences and Jilin Province Metallurgical Corporation under the auspices of the Hunjiang Aluminum Plant held a rare earth alloy of aluminum, aluminum manganese rare earth alloy and electrical wire rare earth alloy wire identification meeting. At the meeting