DB22/T 3361-2022
Service Specifications for Primary and Secondary School Study Tours (English Version)
- Standard No.
- DB22/T 3361-2022
- Language
- Chinese, Available in English version
- Release Date
- 2022
- Published By
- Jilin Provincial Standard of the People's Republic of China
- Latest
- DB22/T 3361-2022
DB22/T 3361-2022 history
- 2022 DB22/T 3361-2022 Service Specifications for Primary and Secondary School Study Tours
