HB 4535.21-1991
K type hole series combined clamp elements Square back-up board for transition of holes and grooves (English Version)
- Standard No.
- HB 4535.21-1991
- Language
- Chinese, Available in English version
- Release Date
- 1992
- Published By
- Professional Standard - Aviation
- Latest
- HB 4535.21-1991
HB 4535.21-1991 history
- 1992 HB 4535.21-1991 K type hole series combined clamp elements Square back-up board for transition of holes and grooves
