简介：Accordingtoregulations,organizedbytheChineseSocietyofRareEarth,theSecondInternationalConferenceonRareEarthDevelopment&ApplicationswillbeheldinBeijinginMay,1991.REresear-chersandproducersandindustrialistsallovertheworldarewarmlywelcometotheconference.ResearchesandapplicationsofREhavebeendevelopingrapidlysincethefirst
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