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rotationally symmetrical luminous intensity distribution, <of a light source>
DEPRECATED: symmetrical luminous intensity distribution
symmetrical luminous intensity distribution having one axis of symmetry
Note 1 to entry: This entry was numbered 845-09-26 in IEC 60050-845:1987.
Note 2 to entry: This entry was numbered 17-1124 in CIE S 017:2011.