BS EN 141:1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for gas filters and combined filters used in respiratory protective equipment
Hardcopy , PDF
06-02-2004
English
31-05-1991
Performance and marking requirements for gas filters and combined gas and particle filters.
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