DB22/T 2975-2019
General technical requirements for basalt doors for civil air defense facilities (English Version)
- Standard No.
- DB22/T 2975-2019
- Language
- Chinese, Available in English version
- Release Date
- 2019
- Published By
- Jilin Provincial Standard of the People's Republic of China
- Latest
- DB22/T 2975-2019
DB22/T 2975-2019 history
- 2019 DB22/T 2975-2019 General technical requirements for basalt doors for civil air defense facilities
