慶應義塾大学 商学部・商学研究科
新保一成 研究室
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ASICC - code 52
Structure
Hierarchy
Section: 5 - Wood, cork, thermocol & paper and articles thereof
Divsion: 52 - Cork,thermocols and articles thereof
Sub-division
521
- Cork and articles thereof
522
- Thermocol and products thereof