DB3311/T 37-2019
Service management norms for the fitness industry (English Version)
- Standard No.
- DB3311/T 37-2019
- Language
- Chinese, Available in English version
- Release Date
- 2019
- Published By
- Zhejiang Provincial Standard of the People's Republic of China
- Latest
- DB3311/T 37-2019
DB3311/T 37-2019 history
- 2019 DB3311/T 37-2019 Service management norms for the fitness industry
