GB/T 4189-1984
Doped tungsten bars (English Version)
- Standard No.
- GB/T 4189-1984
- Language
- Chinese, Available in English version
- Release Date
- 1984
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2018-02
- Replace By
- GB/T 4187-2017
- Latest
- GB/T 4187-2017
- Scope
- This standard applies to doped tungsten bars made by powder metallurgy.
GB/T 4189-1984 history
- 2017 GB/T 4187-2017 Tungsten bars and rods
- 1984 GB/T 4189-1984 Doped tungsten bars
GB/T 4189-1984 Doped tungsten bars was changed to GB/T 4187-2017 Tungsten bars and rods.