DB21/T 3655-2022
Service and Management Specifications for Research and Study Travel Agencies (English Version)
- Standard No.
- DB21/T 3655-2022
- Language
- Chinese, Available in English version
- Release Date
- 2022
- Published By
- Liaoning Provincial Standard of the People's Republic of China
- Latest
- DB21/T 3655-2022
DB21/T 3655-2022 history
- 2022 DB21/T 3655-2022 Service and Management Specifications for Research and Study Travel Agencies
