GJB 1220-1991
2008-10
- Standard No.
- GJB 1220-1991
- Language
- Chinese
- Release Date
- 1991
- Published By
- Military Standard of the People's Republic of China-General Armament Department
- Replace By
- GJB 1220A-2008
- Lastest
- GJB 1220A-2020
GJB 1220-1991 history
- 2020 GJB 1220A-2020
- 2008 GJB 1220A-2008 Specification for alloy structure steel bar for artillery parts
- 1991 GJB 1220-1991