JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN
Online ISSN : 1349-838X
Print ISSN : 0019-2341
ISSN-L : 0019-2341
New designed illuminating and observing apparatus for measuring retroreflective materials used as traffic signs
Toshio YamanakaMasamine TakebayashiYutaka KuriokaToru Noguchi
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1986 Volume 70 Issue Appendix Pages 100

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© The Illuminating Engineering Institute of Japan
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