HB 1250-1987
Simplified square bearing (English Version)
- Standard No.
- HB 1250-1987
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Latest
- HB 1250-1987
- Replace
- HB 1250-75
HB 1250-1987 history
- 1970 HB 1250-1987 Simplified square bearing
