JB/T 6921-1993
Roots vacuum pump unit (English Version)
- Standard No.
- JB/T 6921-1993
- Language
- Chinese, Available in English version
- Release Date
- 1993
- Published By
- Professional Standard - Machinery
- Status
- 2005-04
- Replace By
- JB/T 6921-2004
- Latest
- JB/T 6921-2017
JB/T 6921-1993 history
- 2017 JB/T 6921-2017 Roots vacuum pump unit
- 2004 JB/T 6921-2004 Roots vacuum pump system
- 1993 JB/T 6921-1993 Roots vacuum pump unit
