JJG 639-1998
Verification Regulation of Ultrasonic Source for Medical Ultrasonic Diagnostic Equipment (English Version)
- Standard No.
- JJG 639-1998
- Language
- Chinese, Available in English version
- Release Date
- 1998
- Published By
- National Metrological Verification Regulations of the People's Republic of China
- Latest
- JJG 639-1998
JJG 639-1998 history
- 1998 JJG 639-1998 Verification Regulation of Ultrasonic Source for Medical Ultrasonic Diagnostic Equipment
