HB 3-21-1976
Soft clamp (English Version)
- Standard No.
- HB 3-21-1976
- Language
- Chinese, Available in English version
- Release Date
- 1980
- Published By
- Professional Standard - Aviation
- Status
- 1984-07
- Replace By
- HB 3-21-1983
- Latest
- HB 3-21-1983
HB 3-21-1976 history
- 1984 HB 3-21-1983 Soft clamp
- 1980 HB 3-21-1976 Soft clamp
