Respiratory protective devices - Self-contained closed-circuit breathing apparatus - Part 3: Short duration, chemical oxygen (NaClO<(Index)3>) generating type for moderate work rates; requirements, testing, marking
呼吸防护装置.自给式闭路呼吸器.第3部分:中等工作率的短时间化学氧(NaClO<(索引)3>)产生型;要求、测试、标记