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 231

Structure

Hierarchy

  • Divsion: 23 - MANUFACTURE OF COKE, REFINED PETROLEUM PRODUCTS AND NUCLEAR FUEL
  • Group: 231 - Manufacture of coke oven products [This class includes the operation of coke ovens chiefly for the production of coke or semi-coke from hard coal and lignite, retort carbon and residual products such as coal tar or pitch. Agglomeration of coke. Distillation of coal tar is classified in class 2411.]

Class

  • 2310 - Manufacture of coke oven products [This class includes the operation of coke ovens chiefly for the production of coke or semi-coke from hard coal and lignite, retort carbon and residual products such as coal tar or pitch. Agglomeration of coke. Distillation of coal tar is classified in class 2411.]

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