JJG 2057-1990
Verification Scheme of Plane Angle Measuring Instruments (English Version)
- Standard No.
- JJG 2057-1990
- Language
- Chinese, Available in English version
- Release Date
- 1990
- Published By
- National Metrological Verification Regulations of the People's Republic of China
- Status
- 2006-09
- Replace By
- JJG 2057-2006
- Latest
- JJG 2057-2006
JJG 2057-1990 history
- 2006 JJG 2057-2006 Measuring Instrument for Plane Angle
- 1990 JJG 2057-1990 Verification Scheme of Plane Angle Measuring Instruments
