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life test, <of an electric lamp>
test in which electric lamps are operated under specified conditions for a specified time or to the end of life and during which photometric and electrical measurements can be made at specified intervals
Note 1 to entry: This entry was numbered 845-07-62 in IEC 60050-845:1987.
Note 2 to entry: This entry was numbered 17-657 in CIE S 017:2011.