JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN
Online ISSN : 1349-838X
Print ISSN : 0019-2341
ISSN-L : 0019-2341
High-efficeing high pressure sodium lamp
Yasuharu YamamotoJojiro Shiina
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1988 Volume 72 Issue Appendix Pages 32

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© The Illuminating Engineering Institute of Japan
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