HB 1921-1975
Cut taper thread front smooth plug gauge (English Version)
- Standard No.
- HB 1921-1975
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Status
- Latest
- HB 1921-1975
HB 1921-1975 history
- 1970 HB 1921-1975 Cut taper thread front smooth plug gauge
