DB11/T 147-2015
Check manhole cover structure, safety technical specifications (English Version)
- Standard No.
- DB11/T 147-2015
- Language
- Chinese, Available in English version
- Release Date
- 2015
- Published By
- Beijing Provincial Standard of the People's Republic of China
- Latest
- DB11/T 147-2015
- Replace
- DB11/ 147-2002
DB11/T 147-2015 history
- 2015 DB11/T 147-2015 Check manhole cover structure, safety technical specifications
- 2002 DB11/ 147-2002 Underground facility inspection well double-layer manhole cover
DB11/T 147-2015 Check manhole cover structure, safety technical specifications has been changed from DB11/ 147-2002 Underground facility inspection well double-layer manhole cover.
