BS 4667-5:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Breathing apparatus Specification for closed-circuit escape breathing apparatus
Hardcopy , PDF
05-15-1995
English
09-28-1990
Design, construction and performance for two types of self contained breathing apparatus.
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