SNV NF EN 143 : 1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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; PARTICLE FILTERS; REQUIREMENTS, TESTING, MARKING
01-04-2000
12-01-2013
Refers to particle filters for use as components in unassisted respiratory protective devices, except escape apparatus and filtering face-piece.
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