refractor
device using refraction to alter the spatial distribution of radiation from a source
Note 1 to entry: This entry was numbered 845-10-32 in IEC 60050-845:1987.
Note 2 to entry: This entry was numbered 17-1075 in CIE S 017:2011.
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refractor
device using refraction to alter the spatial distribution of radiation from a source
Note 1 to entry: This entry was numbered 845-10-32 in IEC 60050-845:1987.
Note 2 to entry: This entry was numbered 17-1075 in CIE S 017:2011.