Special LED for pollution status monitoring

The invention provides a special LED for pollution status monitoring. The special LED comprises a cylindrical shell. A circuit board, an LED panel and a rear convex lens are sequentially arranged from back to front in the rear half section of the shell. The LED panel emits parallel light and is manu...

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Bibliographische Detailangaben
1. Verfasser: HU ZHENQIANG
Format: Patent
Sprache:eng
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