QJ 456-1988
Hard chrome coating technical conditions (English Version)
- Standard No.
- QJ 456-1988
- Language
- Chinese, Available in English version
- Release Date
- 1988
- Published By
- Professional Standard - Aerospace
- Latest
- QJ 456-1988
- Replace
- QJ 456-1979
QJ 456-1988 history
- 1988 QJ 456-1988 Hard chrome coating technical conditions
- 1970 QJ 456-1979 Hard chrome coating technical conditions
