BS 4555:1970
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Specification for high efficiency dust respirators
Hardcopy , PDF
09-15-1994
English
03-17-1970
Specifies requirements for dust respirators for use in areas where highly toxic particulate materials, including radioactive substances, are handled.
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