标准号:BS EN 1827+A1-1999
英文标准名称:Respiratory protective devices. Half masks without inhalation valves and with separable filters to protect against gases or gases and particles or particles only. Requirements, testing, marking
发布日期:1999/6/15 12:00:00
实施日期:1999/6/15 12:00:00
国际标准分类号:13.340.30