QJ 920-1985
(English Version)
- Standard No.
- QJ 920-1985
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aerospace
- Status
- Latest
- QJ 920-1985
- Replace By
- QJ 920A-1996
QJ 920-1985 history
- 1970 QJ 920-1985
