HB 484-1989
Rectangular small bottom plate (column 500×500) (English Version)

Standard No.

HB 484-1989

Language

Chinese, Available in English version

Release Date

1989

Published By

Professional Standard - Aviation

Latest

HB 484-1989

Replace

HB 484-1974

HB 484-1989 history

• 1989 HB 484-1989 Rectangular small bottom plate (column 500×500)
• 1970 HB 484-1974 Rectangular small bottom plate (column 500×500)