JJF 1275-1990
Low frequency (1~2000Hz) underwater acoustic sound pressure benchmark operation technical specification (English Version)
- Standard No.
- JJF 1275-1990
- 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 1275-2011
- Latest
- JJF 1275-2011
JJF 1275-1990 history
- 2011 JJF 1275-2011 Calibration Specification for X-ray Security Inspection Equipment
- 1970 JJF 1275-1990 Low frequency (1~2000Hz) underwater acoustic sound pressure benchmark operation technical specification
