DB4401/T 149-2022
Travel agency research practice service specification (English Version)
- Standard No.
- DB4401/T 149-2022
- Language
- Chinese, Available in English version
- Release Date
- 2022
- Published By
- Guangdong Provincial Standard of the People's Republic of China
- Latest
- DB4401/T 149-2022
DB4401/T 149-2022 history
- 2022 DB4401/T 149-2022 Travel agency research practice service specification
