HB 4-21-1983
Type A tee pipe joint (English Version)

Standard No.

HB 4-21-1983

Language

Chinese, Available in English version

Release Date

1984

Published By

Professional Standard - Aviation

Status

Be replaced

Replace By

HB 4-21-1999

Latest

HB 4-21-2002

Replace

HB 4-21-76

HB 4-21-1983 history

• 2003 HB 4-21-2002 Tee,A type,flared tube
• 1970 HB 4-21-1999 Type A tee pipe joint
• 1984 HB 4-21-1983 Type A tee pipe joint
• 1973 HB 4-21-1976 Type A tee pipe joint