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 14

Structure

Hierarchy

  • Section: C - Mining and quarrying
  • Divsion: 14 - Other mining and quarrying

Group

  • 141 - Quarrying of stone, sand and clay
  • 142 - Mining and quarrying, n.e.c.

Links