International
Electrotechnical
Commission
International Standards and Conformity Assessment
for all electrical, electronic and related technologies
SC 31J |
Classification of hazardous areas and installation requirements |
  Reference | Type | Circulation Date | Closing Date | CLC | Downloads |
|---|---|---|---|---|---|
| 31J/221/CD | CD | 2013-05-03 | 2013-08-09 | yes |
1999 kB