BS EN 405:1993
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Respiratory protective devices. Valved filtering half masks to protect against gases or gases and particles
Hardcopy , PDF
31-07-2009
English
15-02-1993
Provides performance requirements, test methods and marking requirements for valved filtering half masks incorporating either gas or combined gas and particle filters.
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