The LED display light pollution imperils the traffic safety brightness "overweight" the mess when ca
Datum:2011-08-16 14:46
recent submissions a submissions will provisions LED display brightness the standards, the screen brightness to exceed bid to take management measures.
According to a LED the manufacture enterprise engaged in chief discloses, LED lamp national standards are brewing process, controversial LED light pollution problems will be effectively. The official pointed out: LED lights the advantages of environmental protection and energy saving has been without controversy, and currently the only needs
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