JB/T 50122-1999
Product quality classification of cemented carbide inserts for impact drills and electric hammer drills (English Version)
- Standard No.
- JB/T 50122-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Machinery
- Status
- Latest
- JB/T 50122-1999
JB/T 50122-1999 history
- 1999 JB/T 50122-1999 Product quality classification of cemented carbide inserts for impact drills and electric hammer drills
