SANS 278-2004 呼吸保护装置.包括一个全面罩、半面具或四分之一面罩的轻型压缩空气管路呼吸器
Respiratory protective devices - Light duty construction compressed air line breathing apparatus incorporating a full face mask, half mask or quarter mask - Requirements, testing, marking
Specifies minimum requirements for light duty construction compressed air line breathing apparatus incorporating a full face mask, half mask or a quarter mask intended for use in gaseous, particulate or combined contaminant atmospheres. Escape, diving or