Private company
日東石膏
日東石膏 is a Japanese company.1
日東石膏株式会社（にっとうせっこう）は、かつて存在した日本の石膏メーカー。2 From the Japanese Wikipedia, CC BY-SA 4.0
Last updated Oct 21, 2026.
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1Wikidata日東石膏 on Wikidata
- 2Wikipedia日東石膏 on the Japanese Wikipedia