BS 2091(1969) : 1969被替代
SPECIFICATION FOR RESPIRATORS FOR PROTECTION AGAINST HARMFUL DUSTS, GASES AND SCHEDULED AGRICULTURAL CHEMICALS
出版：British Standards Institution
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基本信息
标准编号： BS 2091(1969) : 1969
发布时间：1969/1/1 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：38
标准简介
Gives requirements for dust respirators giving protection against dusts and other particulate matter. Specifies requirements for gas respirators affording protection against the limited concentration of the gases. This standard does not cover mouthpiece type respirators for emergency escapes, respirators for protection against radioactive and other highly toxic particulate materials.
本标准替代的旧标准
