慶應義塾大学 商学部・商学研究科

新保一成 研究室

開発と環境の経済分析...

NIC 1998 - code 1310

Structure

Hierarchy

  • Section: C - Mining and quarrying
  • Divsion: 13 - Mining of metal ores
  • Group: 131 - Mining of iron ores
  • Class: 1310 - Mining of iron ores

Class note

  • Includes mining of hematite, magnetite, limonite, siderite or taconite etc. which are valued chiefly for iron content. Production of sintered iron ores is also included.

Sub-class

  • 13100
    • Activities
      • Mining of iron ores

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