HB/Z 5021-1977
Filament carbon dioxide gas shielded welding (English Version)
- Standard No.
- HB/Z 5021-1977
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Status
- Latest
- HB/Z 5021-1977
HB/Z 5021-1977 history
- 1970 HB/Z 5021-1977 Filament carbon dioxide gas shielded welding
