QJ 289-1978
Hex socket head cap screws (English Version)
- Standard No.
- QJ 289-1978
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aerospace
- Status
- Latest
- QJ 289-1978
QJ 289-1978 history
- 1970 QJ 289-1978 Hex socket head cap screws
