美國(guó)注冊(cè) 選購(gòu)指南
LDL注冊(cè)energy star 認(rèn)證機(jī)構(gòu)DLC認(rèn)證美國(guó)注冊(cè)
Qualified LED Product Lists [Qualify your LED product] Lighting design lab 簡(jiǎn)稱LDL The Lab maintains two lists of Qualified LED Products – One for lamps, and one for fixtures & tubes. Northwest utilities use this list to approve lighting re......
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