HB 2555-1989
Air opening (English Version)
- Standard No.
- HB 2555-1989
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Latest
- HB 2555-1989
- Replace
- HB 2555-1976
HB 2555-1989 history
- 1970 HB 2555-1989 Air opening
- 1970 HB 2555-1976 Air nozzle
