JJG 645-1990
Verification Regulation of III-mode Ultrasonic Flaw Detector for Rail (English Version)
- Standard No.
- JJG 645-1990
- Language
- Chinese, Available in English version
- Release Date
- 1990
- Published By
- National Metrological Verification Regulations of the People's Republic of China
- Latest
- JJG 645-1990
JJG 645-1990 history
- 1990 JJG 645-1990 Verification Regulation of III-mode Ultrasonic Flaw Detector for Rail
