CLC/TC 31
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 42505 | EN 50014:1977/prAX | Electrical apparatus for potentially explosive atmospheres - General requirements | Izstrādē |
| 45294 | prEN 50019 | Electrical apparatus for potentially explosive atmospheres - Increased safety 'e' | Izstrādē |
| 45759 | prEN 45544-3 | Direct reading electrical apparatus used for the direct detection and concentration measurement of polluting gases and vapours - Part 3: Performance requirements for apparatus used for measuring concentration well above limit values | Izstrādē |
| 51785 | EN 50019:1977/prAX | Electrical apparatus for potentially explosive atmospheres - Increased safety 'e' | Izstrādē |
| 45058 | EN 50014 | Electrical apparatus for potentially explosive atmospheres - General requirements | Izstrādē |
| 45057 | prEN 50XXX | Synopsis of the major differences in the North American (USA) and European (UK) submissions to IEC on an international standard for gas detectors | Izstrādē |
| 55780 | EN 50019:1994/A1 | Electrical apparatus for potentially explosive atmospheres - Increased safety 'e' | Izstrādē |
| 42266 | EN 50014:1992/prAX | Electrical apparatus for potentially explosive atmospheres - General requirements | 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 |
| 52093 | EN 50020:1994/prAX | Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i' | Izstrādē |
Displaying 151-160 of 737 results.