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BS 4494:1970
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Specification for humidifiers for use with breathing machines
Hardcopy
23-07-2013
English
25-02-1970
Basic requirements for electrically heated humidifiers of the water bath type for use with breathing machines for older children and adults.
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