CEN/TC 121
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 59153 | LVS EN ISO 22829:2018 | Resistance welding equipment - Transformers - Integrated transformer-rectifier units for welding guns operating at 1 000 Hz (ISO 22829:2017) | Standarts spēkā |
| 29117 | LVS EN ISO 22829:2009 | Resistance welding - Transformer-rectifier for welding guns with integrated transformers - Transformer-rectifier units operating at 1000 Hz frequency (ISO 22829:2007) | Atcelts |
| 23726 | LVS EN ISO 22827-2:2006 | Acceptance tests for Nd: YAG laser beam welding machines - Machines with optical fibre delivery - Part 2: Moving mechanism | Standarts spēkā |
| 23725 | LVS EN ISO 22827-1:2006 | Acceptance tests for Nd: YAG laser beam welding machines - Machines with optical fibre delivery - Part 1: Laser assembly | Standarts spēkā |
| 72331 | LVS EN ISO 22826:2021 | Destructive tests on welds in metallic materials - Hardness testing of narrow joints welded by laser and electron beam (Vickers and Knoop hardness tests) (ISO 22826:2005) | Standarts spēkā |
| 61104 | LVS EN ISO 22825:2018 | Non-destructive testing of welds - Ultrasonic testing - Testing of welds in austenitic steels and nickel-based alloys (ISO 22825:2017) | Standarts spēkā |
| 32418 | LVS EN ISO 22825:2012 | Non-destructive testing of welds - Ultrasonic testing - Testing of welds in austenitic steels and nickel-based alloys (ISO 22825:2012) | Atcelts |
| 21472 | LVS EN ISO 22825:2006 | Non-destructive testing of welds - Ultrasonic testing - Testing of welds in austenitic steels and nickel-based alloys | Atcelts |
| 77848 | LVS EN ISO 21952:2025 | Welding consumables - Wire electrodes, wires, rods and deposits for gas shielded arc welding of creep-resisting steels - Classification (ISO 21952:2025) | Standarts spēkā |
| 35695 | LVS EN ISO 21952:2012 | Welding consumables - Wire electrodes, wires, rods and deposits for gas shielded arc welding of creep-resisting steels - Classification (ISO 21952:2012) | Atcelts |
Displaying 341-350 of 1765 results.