DIN EN 402-2003 呼吸保护器.逃生用全面罩式或口罩组件式自调需氧量自闭式开路压缩空气呼吸装置.要求、试验和标记
Respiratory protective devices - Lung governed demand self-contained open-circuit compressed air breathing apparatus with full face mask or mouthpiece assembly for escape - Requirements, testing, marking; German version EN 402:2003