JJG 633-1990
Verification Regulation of Gas Roots Flowmeter (English Version)
- Standard No.
- JJG 633-1990
- Language
- Chinese, Available in English version
- Release Date
- 1990
- Published By
- National Metrological Verification Regulations of the People's Republic of China
- Status
- 2005-10
- Replace By
- JJG 633-2005
- Latest
- JJG 633-2005
JJG 633-1990 history
- 2005 JJG 633-2005 Gas Displacement Meters
- 1990 JJG 633-1990 Verification Regulation of Gas Roots Flowmeter
