JJF 1272-1990
Technical specification for the operation of air sound pressure reference (free sound field) (English Version)
- Standard No.
- JJF 1272-1990
- Language
- Chinese, Available in English version
- Published By
- National Metrological Technical Specifications of the People's Republic of China
- Status
- 2011-04
- Replace By
- JJF 1272-2011
- Latest
- JJF 1272-2011
JJF 1272-1990 history
- 2011 JJF 1272-2011 Calibration Specification for Resistance and Capacitance Dew Point Hygrometer
- 1970 JJF 1272-1990 Technical specification for the operation of air sound pressure reference (free sound field)
