HB 3146-1978
ball head (English Version)
- Standard No.
- HB 3146-1978
- Language
- Chinese, Available in English version
- Release Date
- 1980
- Published By
- Professional Standard - Aviation
- Status
- 1988-01
- Replace By
- HB 3146-1987
- Latest
- HB 3146-2000
HB 3146-1978 history
- 2000 HB 3146-2000 ball head
- 1987 HB 3146-1987 ball head
- 1980 HB 3146-1978 ball head
