HB 505-1989
Column (300×600×500) (English Version)

Standard No.

HB 505-1989

Language

Chinese, Available in English version

Release Date

1989

Published By

Professional Standard - Aviation

Latest

HB 505-1989

Replace

HB 505-1974

HB 505-1989 history

• 1989 HB 505-1989 Column (300×600×500)
• 1970 HB 505-1974 Column (300×600×500)