JJG 2022-1989
Verification Scheme of Measuring Instruments for Vacuum (English Version)
- Standard No.
- JJG 2022-1989
- Language
- Chinese, Available in English version
- Release Date
- 1989
- Published By
- National Metrological Verification Regulations of the People's Republic of China
- Status
- 2010-01
- Replace By
- JJG 2022-2009
- Latest
- JJG 2022-2009
JJG 2022-1989 history
- 2009 JJG 2022-2009 Verification Regulation of Vacuum Measuring Instruments
- 1989 JJG 2022-1989 Verification Scheme of Measuring Instruments for Vacuum
