DB52/T 1494-2020
Technical Guidelines for the Use of Novel Coronavirus Pneumonia Prevention and Control Masks in Schools (English Version)
- Standard No.
- DB52/T 1494-2020
- Language
- Chinese, Available in English version
- Release Date
- 2020
- Published By
- Guizhou Provincial Standard of the People's Republic of China
- Latest
- DB52/T 1494-2020
DB52/T 1494-2020 history
- 2020 DB52/T 1494-2020 Technical Guidelines for the Use of Novel Coronavirus Pneumonia Prevention and Control Masks in Schools
