CEN/TC 121/SC 4
| Abreviatūra | Nosaukums | Statuss |
|---|---|---|
| CEN/TC 121/SC 4/WG 8A | Recommendations on electron beam welding | Slēgta |
| CEN/TC 121/SC 4/WG 9 | Quality assurance for welding of steel pipelines | Slēgta |
Attēlo no 11. līdz 12. no pavisam 12 ieraksta(-iem).
| Abreviatūra | Nosaukums | Statuss |
|---|---|---|
| CEN/TC 121/SC 4/WG 8A | Recommendations on electron beam welding | Slēgta |
| CEN/TC 121/SC 4/WG 9 | Quality assurance for welding of steel pipelines | Slēgta |