TB/T 2104-1989
XBD type electric arm plate signal mechanism (English Version)
- Standard No.
- TB/T 2104-1989
- Language
- Chinese, Available in English version
- Release Date
- 1989
- Published By
- Professional Standard - Railway
- Latest
- TB/T 2104-1989
TB/T 2104-1989 history
- 1989 TB/T 2104-1989 XBD type electric arm plate signal mechanism
