QJ 2169-1991
Technical conditions for polycrystalline magnesium fluoride fairing with a diameter of 300mm (English Version)
- Standard No.
- QJ 2169-1991
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aerospace
- Status
- Latest
- QJ 2169-1991
QJ 2169-1991 history
- 1970 QJ 2169-1991 Technical conditions for polycrystalline magnesium fluoride fairing with a diameter of 300mm
