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BS EN 50055:1999

$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 1999 8
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Performance requirements for portable and fixed apparatus for the detection and measurement of methane concentrations in mine air.

BS EN 50055:1999
$86.31