HB 1864-1971
T-shaped key (English Version)
- Standard No.
- HB 1864-1971
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Status
- Replace By
- HB 1864-1987
- Latest
- HB 1864-1987
HB 1864-1971 history
- 1970 HB 1864-1987 T-key
- 1970 HB 1864-1971 T-shaped key
