TB/T 2309-1992
General specification for railway signal polarized relays (English Version)
- Standard No.
- TB/T 2309-1992
- Language
- Chinese, Available in English version
- Release Date
- 1992
- Published By
- Professional Standard - Railway
- Latest
- TB/T 2309-1992
TB/T 2309-1992 history
- 1992 TB/T 2309-1992 General specification for railway signal polarized relays
