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2002年5月25日,由河北省自然科学基金委员会、河北省教育厅主持,在河北工业大学召开了对“新型稀土铁基大磁致伸缩材料制备、物性与测试”项目的鉴定会.
May 25, 2002, by the Hebei Provincial Natural Science Foundation of China, Hebei Province Department of Education presided over by the Hebei University of Technology held a “new rare earth iron-based magnetostrictive material preparation, physical properties and testing” project appraisal meeting.