QJ 458-1979
Silver coating technical conditions (English Version)

Standard No.
QJ 458-1979
Language
Chinese, Available in English version
Published By
Professional Standard - Aerospace
Status
 1989-08
Replace By
QJ 458-1988
Latest
QJ 458-1988

QJ 458-1979 history

Silver coating technical conditions



Copyright ©2023 All Rights Reserved