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DIN EN 403-2004
Respiratory protective devices for self-rescue - Filtering devices with hood for escape from fire - Requirements, testing, marking
适用范围：This European Standard refers to filtering devices with a hood for personal escape from particulate matter, carbon monoxide and other toxic gases produced by fire. It specifies minimum requirements for this device which is for single use. It does not cover devices designed for use in circumstances where there is or might be an oxygen deficiency (oxygen less than 17 % by volume).#,,#
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