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 · Optimized optical design based on international road tunnel and underpass lighting regulations...

Date post: 27-May-2020
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Page 1:  · Optimized optical design based on international road tunnel and underpass lighting regulations (JTJ 026.1-1999, CIE 88:2004, RP-22), both symmetric & asymmetric light distribution
Page 2:  · Optimized optical design based on international road tunnel and underpass lighting regulations (JTJ 026.1-1999, CIE 88:2004, RP-22), both symmetric & asymmetric light distribution

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