QJ 2076.2-1991
Pipe flange sealing surface form and size (English Version)
- Standard No.
- QJ 2076.2-1991
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aerospace
- Status
- Latest
- QJ 2076.2-1991
QJ 2076.2-1991 history
- 1970 QJ 2076.2-1991 Pipe flange sealing surface form and size
