JJG 757-1991
Verification Regulation for Ionometer (English Version)
- Standard No.
- JJG 757-1991
- Language
- Chinese, Available in English version
- Release Date
- 1991
- Published By
- National Metrological Verification Regulations of the People's Republic of China
- Status
- 2008-05
- Replace By
- JJG 757-2007
- Latest
- JJG 757-2018
JJG 757-1991 history
- 2019 JJG 757-2018 Laboratory ion meter verification regulations
- 2007 JJG 757-2007 Ionometers
- 1991 JJG 757-1991 Verification Regulation for Ionometer
