CLC/TC 31
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 47516 | EN 50054:1991/prAX | Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods | Izstrādē |
| 45448 | EN 50104:1995/AB | Electrical apparatus for the detection and measurement of oxygen - Performance requirements and test methods | Izstrādē |
| 49185 | prEN 50241-2 | Specification for open path apparatus for the detection of combustible or toxic gases and vapours - Part 2: Performance requirements for apparatus for the detection of combustible gases | Izstrādē |
| 52102 | prEN 50XXX | Revision of DIN VDE 0118-1, DIN VDE 0118-2, DIN VDE 0118-3: Erection of electrical installations in mines - Part 1: General requirements, - Part 2: Supplementary specifications for power installations, - Part 3: Supplementary specifications for telecommunication installations | Izstrādē |
| 49583 | EN 50014:1992/prAA | Electrical apparatus for potentially explosive atmospheres - General requirements | Izstrādē |
| 49354 | EN 50018:1994/prAX | Electrical apparatus for potentially explosive atmospheres - Flameproof enclosure 'd' | Izstrādē |
| 44099 | prEN 61241-2-3 | Electrical apparatus for use in the presence of combustible dust - Part 2: Test methods - Section 3: Method for determining minimum ignition energy of dust/air mixtures | Izstrādē |
| 43485 | prEN 50018 | Electrical apparatus for potentially explosive atmospheres - Flameproof enclosure 'd' | Izstrādē |
| 80797 | prEN 50724 | Fixed Ultrasonic Gas Leak Detectors (UGLD) - General requirements and test methods | Izstrādē |
| 46528 | prEN 50020 | Intrinsic safety 'i' | Izstrādē |
Displaying 631-640 of 732 results.