DIN EN 14529-2006
呼吸保护装置.逃生用包含由需求阀控制的正压呼吸器的带半罩式面具的自持式开路压缩空气呼吸机
Respiratory protective devices - Self-contained open-circuit compressed air breathing apparatus with half mask designed to include a positive pressure lung governed demand valve for escape purposes only; English version of DIN EN 14529:2006