HB 3113-1978
Rectangular ring (English Version)
- Standard No.
- HB 3113-1978
- Language
- Chinese, Available in English version
- Release Date
- 1980
- Published By
- Professional Standard - Aviation
- Status
- Replace By
- HB 3113-1987
- Latest
- HB 3113-2000
HB 3113-1978 history
- 2000 HB 3113-2000 Rectangular ring
- 1970 HB 3113-1987 Rectangular ring
- 1980 HB 3113-1978 Rectangular ring
