BS EN 50055:1991
$86.31
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
| Published By | Publication Date | Number of Pages |
| BSI | 1991 | 12 |
Performance requirements for portable and fixed apparatus for the detection and measurement of methane concentrations in mine air.
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