JJF 1344-1990
2πα, 2πβ particle emission rate sub-benchmark operation technical specification (English Version)
- Standard No.
- JJF 1344-1990
- Language
- Chinese, Available in English version
- Published By
- National Metrological Technical Specifications of the People's Republic of China
- Status
- 2012-07
- Replace By
- JJF 1344-2012
- Latest
- JJF 1344-2023
JJF 1344-1990 history
- 2023 JJF 1344-2023 Production of Gas Reference Materials
- 2012 JJF 1344-2012 General Technical Requirements for Producing Gas Reference Materials
- 1970 JJF 1344-1990 2πα, 2πβ particle emission rate sub-benchmark operation technical specification
