QJ 1797-1989
(English Version)
- Standard No.
- QJ 1797-1989
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aerospace
- Status
- Latest
- QJ 1797-1989
- Replace By
- QJ 953A-1995
QJ 1797-1989 history
- 1970 QJ 1797-1989
QJ 1797-1989 was changed to QJ 953A-1995 Technical conditions for quality inspection before metal chemical milling.
