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BS EN 50055:1991被替代
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
出版：British Standards Institution
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基本信息
標(biāo)準(zhǔn)編號(hào)： BS EN 50055:1991
發(fā)布時(shí)間：1991/12/20 0:00:00
標(biāo)準(zhǔn)類別：Standard
出版單位：British Standards Institution
標(biāo)準(zhǔn)頁(yè)數(shù)：14
標(biāo)準(zhǔn)簡(jiǎn)介
Performance requirements for portable and fixed apparatus for the detection and measurement of methane concentrations in mine air.
標(biāo)準(zhǔn)備注
? British Standards Institution 2013
Amendment notes:
AMD 9356 published 15 March 1997
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