QJ 1326-1987
Determination method of nitriding layer depth of iron and steel parts (English Version)
- Standard No.
- QJ 1326-1987
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aerospace
- Status
- Latest
- QJ 1326-1987
QJ 1326-1987 history
- 1970 QJ 1326-1987 Determination method of nitriding layer depth of iron and steel parts
