QJ 474-1979
Specifications for Chemical Oxidation Coatings on Iron and Steel Parts (English Version)
- Standard No.
- QJ 474-1979
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aerospace
- Status
- 1989-08
- Replace By
- QJ 474-1988
- Latest
- QJ 474-1988
QJ 474-1979 history
- 1988 QJ 474-1988 Specifications for Chemical Oxidation Coatings on Iron and Steel Parts
- 1970 QJ 474-1979 Specifications for Chemical Oxidation Coatings on Iron and Steel Parts
