TB/T 2471-1993
DK·X3 crossing signal machine (English Version)
- Standard No.
- TB/T 2471-1993
- Language
- Chinese, Available in English version
- Release Date
- 1993
- Published By
- Professional Standard - Railway
- Status
- 2021-12
- Replace By
- TB/T 2471-2021
- Latest
- TB/T 2471-2021
TB/T 2471-1993 history
- 2021 TB/T 2471-2021 crossing signal
- 1993 TB/T 2471-1993 DK·X3 crossing signal machine
