BS 2724:1956
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 filters for protection against intense sunglare (for general and industrial use)
Hardcopy
23-07-2013
English
31-07-1961
Covers the transmission factors for visible, ultra-violet and total heat radiation for three types of filter, each of which is available in two grades. Also covers refractive properties, chromaticity limits, matching and colour fastness.
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