HB 484-1974
Rectangular small bottom plate (column 500×500) (English Version)
- Standard No.
- HB 484-1974
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Status
- 1989-12
- Replace By
- HB 484-1989
- Latest
- HB 484-1989
HB 484-1974 history
- 1989 HB 484-1989 Rectangular small bottom plate (column 500×500)
- 1970 HB 484-1974 Rectangular small bottom plate (column 500×500)
