JJF 1245-1990
Rockwell Hardness Benchmark Operating Technical Specifications (English Version)
- Standard No.
- JJF 1245-1990
- Language
- Chinese, Available in English version
- Published By
- National Metrological Technical Specifications of the People's Republic of China
- Status
- Latest
- JJF 1245-1990
JJF 1245-1990 history
- 1970 JJF 1245-1990 Rockwell Hardness Benchmark Operating Technical Specifications
