HB 0-9-1974
Insurance hole for hexagonal parts (English Version)
- Standard No.
- HB 0-9-1974
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Status
- Replace By
- HB 0-9-1983
- Latest
- HB 0-9-2000
HB 0-9-1974 history
- 1970 HB 0-9-2000 Security hole for hexagonal parts
- 1970 HB 0-9-1983 Insurance hole for hexagonal parts
- 1970 HB 0-9-1974 Insurance hole for hexagonal parts
