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[removed] www.azarshid.ir شركت آذرشيد الكترونيك تولیــد از دیربــاز بــرای بشــر اهمیــت و ضــرورت داشــته اســت؛ زیــرا
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Document Date: 2014-03-15 01:55:04
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File Size: 1,43 MB
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Measurement
Light
Light-emitting diodes
SI derived units
Luminous efficacy
Luminous flux
Color temperature
Lux
Efficacy
Photometry