LLF stands for various terms. Discover the full forms, meanings, and possible interpretations of LLF across different fields and industries.
A factor used in calculating luminance after a given period of time and under given conditions. It takes into account temperature and voltage variations, dirt accumulation on luminaire and lit surfaces, lamp depreciation, maintenance procedures and atmos.
ArchitectureLightingLumenTechnologyYongzhou, Hunan,China
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