HB 1376-1981
Hollow rectangular support 30×45×90 (English Version)
- Standard No.
- HB 1376-1981
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Status
- Replace By
- HB 1376-1987
- Latest
- HB 1376-1987
HB 1376-1981 history
- 1970 HB 1376-1987 Hollow rectangular support
- 1970 HB 1376-1981 Hollow rectangular support 30×45×90
