02/563850 DC : DRAFT SEP 2002被替代
BS EN 14529 - 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 - REQUIREMENTS, TESTING, MARKING
出版：British Standards Institution
专家解读视频
