JJG 121-1990
Verification Regulation of Video Noise Meter (English Version)
- Standard No.
- JJG 121-1990
- Language
- Chinese, Available in English version
- Release Date
- 1990
- Published By
- National Metrological Verification Regulations of the People's Republic of China
- Status
- Replace By
- JJG 121-2015
- Latest
- JJG 121-2015
JJG 121-1990 history
- 1970 JJG 121-2015 Indoor Vibratory Compactor
- 1990 JJG 121-1990 Verification Regulation of Video Noise Meter
