Patents
Journal of the Illuminating Engineering Institute of Japan (Shomei Gakkai Shi)- Japan
doi 10.2150/jieij1917.18.7_23
Full Text
Abstract
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Date
January 1, 1934
Authors
Unknown
Publisher
Illuminating Engineering Society of Japan
doi 10.2150/jieij1917.18.7_23
Available in
January 1, 1934
Unknown
Illuminating Engineering Society of Japan