摘要
Somefactorssuchascontinuouspricefallingofrareearthconcentrates,increaseinproductioncostandincreasinginvestmentinsafetyandenvironmentalprotectionpreventedthedevelopmentofminingindustry.Tosafeguardtheinterestsofminingcompaniesandfacilitatethehealthydevelopmentofrareearthindustry,REMiningSocietyofMianningCountyheldageneralmeetingrecently.FollowingresolutionswerepassedonJuly13th:1.SinceJuly14th2005,thelowestprotectivemarketpricesofrareear...
出版日期
2005年08月18日（中国期刊网平台首次上网日期，不代表论文的发表时间）
