JB/T 979-1977
Welded union elbow (English Version)
- Standard No.
- JB/T 979-1977
- Language
- Chinese, Available in English version
- Release Date
- 1977
- Published By
- Professional Standard - Machinery
- Status
- 2014-07
- Replace By
- JB/T 979-2013
- Latest
- JB/T 979-2013
JB/T 979-1977 history
- 2013 JB/T 979-2013 Weld union elbow and union tee
- 1977 JB/T 979-1977 Welded union elbow
