JJG(机械) 6-1990
Verification Regulations for Rockwell Hardness Tester for Abrasive Tools (English Version)
- Standard No.
- JJG(机械) 6-1990
- Language
- Chinese, Available in English version
- Release Date
- 1990
- Published By
- National Metrological Verification Regulations of the People's Republic of China
- Status
