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.
Original price was: $264.16.$132.00Current price is: $132.00.
Specification for filters for protection against intense sunglare (for general and industrial use)
BSI Group , 07/31/1961
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