BS-8468-3.1 › Complete Document History
Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents

Complete Current Edition:
   2020 EDITION - Breathing apparatus incorporating a hood for escape. Speci?cation. - Aug. 24, 2020

Obsolete Revision Information:
   2009 EDITION - Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents. Self-contained open-circuit compressed air breathing apparatus incorporating a hood for escape. Specification - April 30, 2009