QJ 3090-1999
Re-inspection regulations for welding materials (English Version)
- Standard No.
- QJ 3090-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Aerospace
- Latest
- QJ 3090-1999
QJ 3090-1999 history
- 1999 QJ 3090-1999 Re-inspection regulations for welding materials
