LED projection clock discolours

The utility model provides a LED projection clock discolours, including the casing, be equipped with the projection hole on the casing, the projection drill way is built -in to have convex lens no. 1,is equipped with clock, light source, convex lens no. 2, speculum in the casing, passes through conv...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: YU LIANGDONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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