DIN EN 405 : 2009现行
RESPIRATORY PROTECTIVE DEVICES - VALVED FILTERING HALF MASKS TO PROTECT AGAINST GASES OR GASES AND PARTICLES - REQUIREMENTS, TESTING, MARKING
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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基本信息
标准编号： DIN EN 405 : 2009
发布时间：2009/1/1 0:00:00
标准类别：Standard
出版单位：German Institute for Standardisation (Deutsches Institut für Normung)
标准页数：47
标准简介
Defines the performance requirements, test methods and marking requirements for valved filtering half masks incorporating either gas or combined filters as respiratory protective devices except for escape purposes.
本标准替代的旧标准
