JJF 1309-1990
Atomic Time Scale Reference Operating Specifications (English Version)
- Standard No.
- JJF 1309-1990
- Language
- Chinese, Available in English version
- Published By
- National Metrological Technical Specifications of the People's Republic of China
- Status
- 2011-12
- Replace By
- JJF 1309-2011
- Latest
- JJF 1309-2011
JJF 1309-1990 history
- 2011 JJF 1309-2011 Calibration Specification of Temperature Indicators and Simulators by Electrical Simulation and Measurement
- 1970 JJF 1309-1990 Atomic Time Scale Reference Operating Specifications
