T/AQB 2-2020
Normal protective mask (English Version)
- Standard No.
- T/AQB 2-2020
- Language
- Chinese, Available in English version
- Release Date
- 2020
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/AQB 2-2020
T/AQB 2-2020 history
- 2020 T/AQB 2-2020 Normal protective mask
