Journal of the Illuminating Engineering Institute of Japan
Online ISSN : 2185-1506
Print ISSN : 0019-2341
ISSN-L : 0019-2341
Photometric Method of Light Emitting Diode (Series 1)
Measurement of Luminous Intensity and Flux
[in Japanese][in Japanese]
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1977 Volume 61 Issue 2 Pages 78-86

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