TB/T 2921-1998
Electrified railway catenary steel column (English Version)
- Standard No.
- TB/T 2921-1998
- Language
- Chinese, Available in English version
- Release Date
- 1998
- Published By
- Professional Standard - Railway
- Status
- 2008-01
- Replace By
- TB/T 2921.1-2008
- Latest
- TB/T 2921.1-2008
TB/T 2921-1998 history
- 2008 TB/T 2921.1-2008 Steel pole for overhead contact system of electrified railway. Part 1: Lattice pole
- 1998 TB/T 2921-1998 Electrified railway catenary steel column
