HB 1379-1984
Horizontal groove square support (English Version)
- Standard No.
- HB 1379-1984
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Status
- Replace By
- HB 1379-1987
- Latest
- HB 1379-1987
HB 1379-1984 history
- 1970 HB 1379-1987 Crosswise grooved square support
- 1970 HB 1379-1984 Horizontal groove square support
