CEN/TC 121
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 3239 | EN 288-7:1995 | Specification and approval of welding procedures for metallic materials - Part 7: Approval by a standard welding procedure for arc welding | Atcelts |
| 3217 | EN 288-6:1994 | Specification and approval of welding procedures for metallic materials - Part 6: Approval related to previous experience | Atcelts |
| 3216 | EN 288-5:1994 | Specification and approval of welding procedures for metallic materials - Part 5: Approval by using approved welding consumables for arc welding | Atcelts |
| 3494 | EN 288-4:1992/AC:1993 | Specification and approval of welding procedures for metallic materials - Part 4: Welding procedure tests for the arc welding of aluminium and its alloys | Atcelts |
| 3361 | EN 288-4:1992/A1:1997 | Specification and approval of welding procedures for metallic materials - Part 4: Welding procedure tests for the arc welding of aluminium and its alloys | Atcelts |
| 3140 | EN 288-4:1992 | Specification and approval of welding procedures for metallic materials - Part 4: Welding procedure tests for the arc welding of aluminium and its alloys | Atcelts |
| 3360 | EN 288-3:1992/A1:1997 | Specification and approval of welding procedures for metallic materials - Part 3: Welding procedure tests for the arc welding of steels | Atcelts |
| 3123 | EN 288-3:1992 | Specification and approval of welding procedures for metallic materials - Part 3: Welding procedure tests for the arc welding of steels | Atcelts |
| 3359 | EN 288-2:1992/A1:1997 | Specification and approval of welding procedures for metallic materials - Part 2: Welding procedure specification for arc welding | Atcelts |
| 3122 | EN 288-2:1992 | Specification and approval of welding procedures for metallic materials - Part 2: Welding procedure specification for arc welding | Atcelts |
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