HB 2041-1989
depth gauge (English Version)
- Standard No.
- HB 2041-1989
- Language
- Chinese, Available in English version
- Release Date
- 1989
- Published By
- Professional Standard - Aviation
- Latest
- HB 2041-1989
- Replace
- HB 2041-1974
HB 2041-1989 history
- 1989 HB 2041-1989 depth gauge
- 1970 HB 2041-1974 depth gauge
