SN EN 140 : 1999 CORR 2000现行
RESPIRATORY PROTECTIVE DEVICES - HALF MASKS AND QUARTER MASKS - REQUIREMENTS, TESTING, MARKING
出版：Swiss Standards
专家解读视频
基本信息
标准编号： SN EN 140 : 1999 CORR 2000
标准类别：Standard
出版单位：Swiss Standards
标准页数：0
标准简介
Defines minimum requirements for half masks and quarter masks to be used as part of respiratory protective devices, excluding escape and diving apparatus. Includes laboratory and practical performance tests for assessing compliance with the requirements.
