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PhilipsのLED街灯

by Liam McNulty Jul 19th 2005 @ 3:31AM

led lampPhilipsはオランダのEde市で、世界初のLEDを採用した街灯を設備した。価格は普通のガス式街灯より2倍ぐらい高いが、寿命は4倍ぐらい。毎日11～12時間を点けた場合、寿命は12年間。また、取り替えるのがガス式より簡単と安いらしい。

[原文]

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