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 10

Structure

Hierarchy

  • Section: C - Mining and quarrying
  • Divsion: 10 - Mining of coal and lignite; extraction of peat

Group

  • 101 - Mining and agglomeration of hard coal
  • 102 - Mining and agglomeration of lignite
  • 103 - Extraction and agglomeration of peat

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