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 900

Structure

Hierarchy

  • Section: O - Other community, social and personal service activities
  • Divsion: 90 - Sewage and refuse disposal, sanitation and similar activities
  • Group: 900 - Sewage and refuse disposal, sanitation and similar activities

Class

  • 9000 - Sewage and refuse disposal, sanitation and similar activities

Links