DB12/T 491-2018
General rules for cleaning and cleaning services (English Version)
- Standard No.
- DB12/T 491-2018
- Language
- Chinese, Available in English version
- Release Date
- 2018
- Published By
- Tianjin Provincial Standard of the People's Republic of China
- Latest
- DB12/T 491-2018
- Replace
- DB12/T 491-2013
DB12/T 491-2018 history
- 2018 DB12/T 491-2018 General rules for cleaning and cleaning services
- 2013 DB12/T 491-2013 General Rules for Cleaning Services
