DB11/T 1839-2021
Construction process model fineness standard for building water supply, drainage and heating engineering (English Version)
- Standard No.
- DB11/T 1839-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- Beijing Provincial Standard of the People's Republic of China
- Latest
- DB11/T 1839-2021
DB11/T 1839-2021 history
- 2021 DB11/T 1839-2021 Construction process model fineness standard for building water supply, drainage and heating engineering
