QJ 450A-1996
Metal coating thickness series and selection principles (English Version)

Standard No.

QJ 450A-1996

Language

Chinese, Available in English version

Release Date

1996

Published By

Professional Standard - Aerospace

Status

Withdraw

Replace By

QJ 450B-2005

QJ 450A-1996 history

• 1970 QJ 450-1984

QJ 450A-1996 Metal coating thickness series and selection principles was changed to QJ 450B-2005 Thickness series and selection principle for plating and conversion coatings of metallic parts.