BS EN 50055:1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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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
Hardcopy , PDF
English
20-12-1991
15-09-2000
Performance requirements for portable and fixed apparatus for the detection and measurement of methane concentrations in mine air.
| Committee |
EXL/31
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
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