QJ 214-1977
Tee joint type and size (English Version)
- Standard No.
- QJ 214-1977
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aerospace
- Status
- Latest
- QJ 214-1977
QJ 214-1977 history
- 1970 QJ 214-1977 Tee joint type and size
