QJ 478-1990
Method for measuring the thickness of metal coatings (English Version)
- Standard No.
- QJ 478-1990
- Language
- Chinese, Available in English version
- Release Date
- 1990
- Published By
- Professional Standard - Aerospace
- Latest
- QJ 478-1990
- Replace
- QJ 478-1979
QJ 478-1990 history
- 1990 QJ 478-1990 Method for measuring the thickness of metal coatings
- 1970 QJ 478-1979 Test method for metal coating thickness
