DB43/T 1646-2019
Indoor air quality requirements for primary and secondary schools (English Version)
- Standard No.
- DB43/T 1646-2019
- Language
- Chinese, Available in English version
- Release Date
- 2019
- Published By
- Hunan Provincial Standard of the People's Republic of China
- Latest
- DB43/T 1646-2019
DB43/T 1646-2019 history
- 2019 DB43/T 1646-2019 Indoor air quality requirements for primary and secondary schools
