HB 2149-1975
Guide post (English Version)
- Standard No.
- HB 2149-1975
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Status
- 1992-12
- Replace By
- HB 2149-1992
- Latest
- HB 2149-1992
HB 2149-1975 history
- 1992 HB 2149-1992 Guide post
- 1970 HB 2149-1975 Guide post
