DB13/T 5257-2020
"Double random, one open" regulatory work norms (English Version)
- Standard No.
- DB13/T 5257-2020
- Language
- Chinese, Available in English version
- Release Date
- 2020
- Published By
- Hebei Provincial Standard of the People's Republic of China
- Latest
- DB13/T 5257-2020
DB13/T 5257-2020 history
- 2020 DB13/T 5257-2020 "Double random, one open" regulatory work norms
