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 |
| 48389 | EN 50054:1998 | Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods | Atcelts |
| 57352 | EN 50055:1991 | 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 | Atcelts |
| 58129 | EN 50055:1991/A1:1995 | 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 | 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 |
| 47094 | EN 50055:1998 | 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 | Atcelts |
| 46348 | EN 50056:1991 | Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group I apparatus indicating up to 100 % (v/v) methane in air | Atcelts |
| 48349 | EN 50056:1991/A1:1995 | Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group I apparatus indicating up to 100 % (v/v) methane in air | Atcelts |
| 48633 | EN 50056:1998 | Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group I apparatus indicating up to 100 % (v/v) methane in air | Atcelts |
| 42747 | EN 50057:1991 | Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group II apparatus indicating up to 100% lower explosive limit | Atcelts |
Displaying 131-140 of 732 results.