HB 482-1974
Square bottom plate (column 500×500) (English Version)
- Standard No.
- HB 482-1974
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Status
- 1989-12
- Replace By
- HB 482-1989
- Latest
- HB 482-1989
HB 482-1974 history
- 1989 HB 482-1989 Square bottom plate (column 500×500)
- 1970 HB 482-1974 Square bottom plate (column 500×500)
