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 2004 - code 402

Structure

Hierarchy

  • Divsion: 40 - ELECTRICITY, GAS, STEAM AND HOT WATER SUPPLY
  • Group: 402 - Manufacture of gas; distribution of gaseous fuels through mains

Class

  • 4020 - Manufacture of gas; distribution of gaseous fuels through mains

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