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spektraalse valgusviljakuse maksimaalne väärtus kindlaksmääratud fotomeetrilistes oludes, maximum value of spectral luminous efficacy for a specified photometric condition
maximum luminous efficacy . Valgustehnika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//valgus/maximum%20luminous%20efficacy/1/eng (25.07.2026)