NBN EN 146 : 1992
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
RESPIRATORY PROTECTIVE DEVICES - POWERED PARTICLE FILTERING DEVICES INCORPORATING HELMETS OR HOODS - REQUIREMENTS, TESTING, MARKING
01-12-1998
12-01-2013
Describes minimum requirements for powered particle filtering devices incorporating helmets or hoods used as respiratory protective devices. Does not cover devices designed for use in circumstances where there is or might be an oxygen deficiency. Does not cover respiratory protective devices designed for escape purposes. Covers references, definition and description, classification and designation, requirements, testing, instructions for use and marking. Included are tables and figures.
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