HB 1851-1987
T-shaped key (English Version)
- Standard No.
- HB 1851-1987
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Status
- 2001-01
- Replace By
- HB 1851-2000
- Latest
- HB 1851-2000
HB 1851-1987 history
- 2000 HB 1851-2000 T-shaped key
- 1970 HB 1851-1987 T-shaped key
- 1970 HB 1851-1978 T-shaped key
