Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents - Positive pressure, self-contained, open-circuit breathing apparatus. Specification Ingestion-build-47786 This International Standard defines the

This International Standard defines the air interface communications

it does standardize the procedures used to register them in ISO/IEC 9979

BS EN 61158-6-13 is related to other standards in the set as defined by the “three-layer” fieldbus reference model described in IEC 61158-1

The electronic industry

Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents - Positive pressure, self-contained, open-circuit breathing apparatus. Specification Ingestion-build-47786 This International Standard defines the1 Scope This British Standard specifies requirements for positive pressure, self contained, open circuit breathing apparatus (SCBA) intended to be used during fire fighting, rescue, evacuation, escape, hazard containment and decontamination, and similar activities by emergency first responders (e. g. fire, ambulance, police, and associated civilian agencies and workers) in areas containing and contaminated by chemical, biological, radiological and