CLC/TC 31
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 43347 | prEN 45544-2 | Direct reading electrical apparatus used for the direct detection and concentration measurement of polluting gases and vapours - Part 2: Performance requirements for apparatus used for measuring concentrations in the regions of limit values | Izstrādē |
| 43496 | prEN 45544-1 | Direct reading electrical apparatus used for the direct detection and concentration measurement of polluting gases and vapours - Part 1: General requirements and test methods | Izstrādē |
| 49808 | LVS ENV 50269:1997/corrigendum Mar. 1997 | Assessment and representative testing of high-voltage machines | Atcelts |
| 54715 | LVS ENV 50269:1997 | Assessment and representative testing of high-voltage machines | Atcelts |
| 32060 | LVS EN ISO/IEC 80079-34:2011 | Explosive atmospheres - Part 34: Application of quality systems for equipment manufacture (ISO/IEC 80079-34:2011) | Atcelts |
| 66465 | LVS EN IEC 62990-2:2021 | Workplace atmospheres - Part 2: Gas detectors - Selection, installation, use and maintenance of detectors for toxic gases and vapours | Standarts spēkā |
| 74116 | LVS EN IEC 62990-1:2023/A11:2023 | Workplace atmospheres - Part 1: Gas detectors - Performance requirements of detectors for toxic gases | Standarts spēkā |
| 71712 | LVS EN IEC 62990-1:2023 | Workplace atmospheres - Part 1: Gas detectors - Performance requirements of detectors for toxic gases | Standarts spēkā |
| 64307 | LVS EN IEC 60079-7:2016/A1:2018 | Explosive atmospheres - Part 7: Equipment protection by increased safety "e" | Standarts spēkā |
| 74444 | LVS EN IEC 60079-45:2025 | Explosive atmospheres - Part 45: Electrical ignition systems for internal combustion engines | Standarts spēkā |
Displaying 91-100 of 737 results.