DB23/T 2821-2021
Design standards for urban underground space taking into account the needs of civil air defense (English Version)
- Standard No.
- DB23/T 2821-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- Heilongjiang Provincial Standard of the People's Republic of China
- Latest
- DB23/T 2821-2021
DB23/T 2821-2021 history
- 2021 DB23/T 2821-2021 Design standards for urban underground space taking into account the needs of civil air defense
