HB 550-1974
Single-hole fork with hinged catch and side hold-down (English Version)
- Standard No.
- HB 550-1974
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Status
- 1989-12
- Replace By
- HB 550-1989
- Latest
- HB 550-1989
HB 550-1974 history
- 1989 HB 550-1989 Single-hole fork with hinged catch and side hold-down
- 1970 HB 550-1974 Single-hole fork with hinged catch and side hold-down
