JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN
Online ISSN : 1349-838X
Print ISSN : 0019-2341
ISSN-L : 0019-2341
Some Factors Affecting Lumen Maintenance in Compact Lamp with Two Interior Fluorescent Tubes
Hiromitsu MatsunoSeiichi MurayamaTetsuro OnoKazuo KugaIchiro Torie
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1986 Volume 70 Issue Appendix Pages 15

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© The Illuminating Engineering Institute of Japan
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