Journal of the Illuminating Engineering Institute of Japan
Online ISSN : 2185-1506
Print ISSN : 0019-2341
ISSN-L : 0019-2341
Ready Reckoner for Plotting the Equi-Illumination Curve of Flood Lighting
In the Case of Light Distribution of Flood Lighter Being Axisymmetric
[in Japanese]
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1977 Volume 61 Issue 4 Pages 227-229

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