HB 4-12-1983
Screw-in Elbow Fittings (English Version)
- Standard No.
- HB 4-12-1983
- Language
- Chinese, Available in English version
- Release Date
- 1984
- Published By
- Professional Standard - Aviation
- Status
- Replace By
- HB 4-12-1999
- Latest
- HB 4-12-2002
- Replace
- HB 4-12-1976
HB 4-12-1983 history
- 2003 HB 4-12-2002 Elbow,screwed-onto,45 degree,flared tube
- 1970 HB 4-12-1999 Screw-in Elbow Fittings
- 1984 HB 4-12-1983 Screw-in Elbow Fittings
- 1973 HB 4-12-1976 Screw-in Elbow Fittings
