慶應義塾大学 商学部・商学研究科

新保一成 研究室

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ASICC - code 22

Structure

Hierarchy

  • Section: 2 - Ores, minerals, mineral fuels, lubricants, gas & electricity
  • Divsion: 22 - Ores(base metal), slag, ash

Sub-division

  • 221 - Iron ores & concentrates
  • 222 - Copper ores & concentrates
  • 223 - Aluminium ores & concentrates
  • 224 - Nickle ores & concentrates
  • 225 - Ash and all residues of base metals
  • 226 - Slags - all types
  • 227 - Ores of precious and semi-precious materials
  • 229 - Misc. ores & concentrates n.e.c.