untitled Li ce ns ed C op y W an g B in , I S O /E X C H A N G E C H IN A S T A N D A R D S , 2 1/ 04 /2 00 8 02 2 7, U nc on tr ol le d C op y, ( c) B S I BRITISH STANDARD BS EN 12193 2007 Light and[.]
Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 21/04/2008 02:27, Uncontrolled Copy, (c) BSI BRITISH STANDARD Light and lighting — Sports lighting ICS 91.160.01; 97.220.10 12&23