CLC/TC 31
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 53700 | prEN 60079-20 | Electrical apparatus for explosive gas atmospheres - Part 20: Data for flammable gases and vapours, relating to the use of electrical apparatus | Izstrādē |
| 53511 | LVS EN 50020:1977/A5:1990 | Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i' | Atcelts |
| 53511 | EN 50020:1977/A5:1990 | Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i' | Atcelts |
| 53510 | EN 60079-7:2003 | Electrical apparatus for explosive gas atmospheres - Part 7: Increased safety "e" | Atcelts |
| 53510 | LVS EN 60079-7:2003 | Electrical apparatus for explosive gas atmospheres - Part 7: Increased safety "e" | Atcelts |
| 53505 | LVS EN 60079-14:2009 | Explosive atmospheres - Part 14: Electrical installations design, selection and erection (IEC 60079-14:2007) | Atcelts |
| 53505 | EN 60079-14:2008 | Explosive atmospheres - Part 14: Electrical installations design, selection and erection | Atcelts |
| 53490 | EN 50055:1991/prAX | Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group I apparatus indicating up to 5% (v/v) methane in air | Izstrādē |
| 53451 | prEN 50054 | Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods | Izstrādē |
| 53356 | LVS EN 60079-35-1:2011 /AC:2012 | Explosive atmospheres - Part 35-1: Caplights for use in mines susceptible to firedamp - General requirements - Construction and testing in relation to the risk of explosion | Standarts spēkā |
Displaying 281-290 of 725 results.