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Breathing apparatus. Specification for escape breathing apparatus.
STANDARD published on 30.6.1975
Designation standards: BS 4667-4:1975
Note: WITHDRAWN
Publication date standards: 30.6.1975
SKU: NS-68379
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Category: Technical standards BS
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Latest update: 2026-04-08 (Number of items: 2 271 105)
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