HB 4-28-1983
E-type four-way pipe joint (English Version)
- Standard No.
- HB 4-28-1983
- Language
- Chinese, Available in English version
- Release Date
- 1984
- Published By
- Professional Standard - Aviation
- Status
- Replace By
- HB 4-28-1999
- Latest
- HB 4-28-2002
- Replace
- HB 4-28-1976
HB 4-28-1983 history
- 2003 HB 4-28-2002 Cross,E type,flared tube
- 1970 HB 4-28-1999 E-type four-way pipe joint
- 1984 HB 4-28-1983 E-type four-way pipe joint
- 1973 HB 4-28-1976 E-type four-way pipe joint
