| 481 |
IEC 62990-2
|
2021-06-01
| Workplace atmospheres - Part 2: Gas detectors - Selection, installation, use and maintenance of detectors for toxic gases and vapours |
| 482 |
ISO/IEC 80079-20-1
|
2017-12-01
| Explosive atmospheres - Part 20-1: Material characteristics for gas and vapour classification - Test methods and data |
| 483 |
ISO/IEC 80079-20-1 Technical Corrigendum 1
|
2018-07-01
| Explosive atmospheres - Part 20-1: Material characteristics for gas and vapour classification - Test methods and data; Technical Corrigendum 1 |
| 484 |
ISO/IEC 80079-20-2
|
2016-02-01
| Explosive atmospheres - Part 20-2: Material characteristics - Combustible dusts test methods |
| 485 |
ISO/IEC 80079-20-2 Technical Corrigendum 1
|
2017-03-01
| Explosive atmospheres - Part 20-2: Material characteristics - Combustible dusts test methods; Technical Corrigendum 1 |