BS EN 171:1992
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Specification for infra-red filters used in personal eye-protection equipment
Available format(s)
Hardcopy , PDF
Superseded date
23-07-2013
Language(s)
English
Published date
15-12-1992
Publisher
Specifies the scale numbers and transmittance requirements for filters for protection against infrared radiation.
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