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 1422

Structure

Hierarchy

  • Section: C - Mining and quarrying
  • Divsion: 14 - Other mining and quarrying
  • Group: 142 - Mining and quarrying, n.e.c.
  • Class: 1422 - Extraction of salt

Class note

  • Includes salt mining, crushing and screening and salt production by solar evaporation of sea water, lake brine or other natural brines.

Sub-class

  • 14220
    • Activities
      • Extraction of salt

Links