BS 4667-2:1974
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for breathing apparatus Open-circuit breathing apparatus
Hardcopy , PDF
15-09-1994
English
01-11-1977
Specifies requirements and laboratory and practical tests for open-circuit breathing apparatus.
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