Visibility depend on the visual directions on numerical display devices with positive type 7 segments liquid crystal
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چکیده
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ژورنال
عنوان ژورنال: Journal of the Illuminating Engineering Institute of Japan
سال: 1985
ISSN: 0019-2341,1349-838X,2185-1506
DOI: 10.2150/jieij1980.69.appendix_91