HB 1-711-1969
steel shaft (English Version)
- Standard No.
- HB 1-711-1969
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Status
- Latest
- HB 1-711-1969
HB 1-711-1969 history
- 1970 HB 1-711-1969 steel shaft
