HB 1408-1987
Square bearing of transition and two vertical slots (English Version)
- Standard No.
- HB 1408-1987
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Latest
- HB 1408-1987
HB 1408-1987 history
- 1970 HB 1408-1987 Square bearing of transition and two vertical slots
