国家有色金属工业局

  • 网络state bureau of nonferrous metal industry;State Non-Ferrous Metal Industry Bureau
国家有色金属工业局国家有色金属工业局
  1. 国家有色金属工业局

    State Bureau of Nonferrous Metal Industry

  2. 金川二矿区的膏体充填系统于1991年开始建设,1999年8月生产试运行成功,并通过了国家有色金属工业局的鉴定。

    The construction of the paste backfill system in Jingchuan 's No. 2 Mining District began in 1991 . In August 1999 the pilot operation succeeded and passed technical appraisal by the National Bureau of Nonferrous Metals Industry and was commissioned ever since .