QJ 2136.3-1991
Specimens for physical and chemical re-examination of metallic materials Specimens for metallographic examination (English Version)
- Standard No.
- QJ 2136.3-1991
- Language
- Chinese, Available in English version
- Release Date
- 1991
- Published By
- Professional Standard - Aerospace
- Latest
- QJ 2136.3-1991
QJ 2136.3-1991 history
- 1991 QJ 2136.3-1991 Specimens for physical and chemical re-examination of metallic materials Specimens for metallographic examination
