BS 8468-7. Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents. Part 7. Closed-circuit breathing apparatus. Specification
BS 8468-7. Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents. Part 7. Closed-circuit breathing apparatus. Specification
Erection of Power Installations with Nominal Voltages up to 1000 V - Part 4: Protection for Safety; Chapter 41: Protection Against Electric Shock (IEC 60364-4-41:1992, modified)
Erection of Power Installations with Nominal Voltages up to 1000 V - Part 4: Protection for Safety; Chapter 47: Application of Protective Measures for Safety (IEC 60364-4-47 modified)