Respiratory protective devices - Self-contained closed-circuit breathing apparatus - Part 2: Chemical oxygen (KO<(Index)2>) generating type for work and rescue; requirements, testing, marking— 13 стр.
Respiratory protective devices - Self-contained closed-circuit breathing apparatus - Part 4: Chemical oxygen (NaClO<(Index)3>) generating type for work and rescue; requirements, testing, marking— 13 стр.