div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentoptimized-optical-design-based-on-international-road-tunnel-and-underpass-lightinghtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: · Optimized optical design based on international road tunnel and underpass lighting regulations JTJ 0261-1999 CIE 88:2004 RP-22 both symmetric asymmetric light distribution loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsusreader033viewer20220423055ed12ecc50612c658265efa1html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentoptimized-optical-design-based-on-international-road-tunnel-and-underpass-lightinghtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: · Optimized optical design based on international road tunnel and underpass lighting regulations JTJ 0261-1999 CIE 88:2004 RP-22 both symmetric asymmetric light distribution loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsusreader033viewer20220423055ed12ecc50612c658265efa1html5thumbnails2jpg width=140 height=200 divdiv