T/XTFZZ 004-2021
Elastic ear band for mask (English Version)
- Standard No.
- T/XTFZZ 004-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/XTFZZ 004-2021
- Scope
- This standard specifies the terms and definitions, product classification, technical requirements, grading regulations, test methods, inspection rules, packaging, marking, transportation and storage of elastic ear straps for masks.
T/XTFZZ 004-2021 history
- 2021 T/XTFZZ 004-2021 Elastic ear band for mask
