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light emitting diode package lens
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light emitting diode package lens
Encyclopedia
工学
发光二极管封装工艺
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light emitting diode package lens
发光二极管封装透镜
与发光二极管紧密连接在一起,有助于提升发光二极管的出光效率,改变发光二极管的光场分布的结构部件。
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A Record about Navigation Routes
A Record of Ancient Seals
A Record of Calligraphers and Painters in Fujian: From the Tang Dynasty to the Qing Dynasty
A Record of Calligraphic Works and Paintings at the Guoyun Chamber
A Record of Calligraphies and Paintings Collected by Han Shineng
A Record of Calligraphy and Painting at the Airiyin Studio
A Record of Calligraphy and Painting of Fujian Province
A Record of Ceramics
A Record of Famous Paintings of Tang Dynasty
A Record of Film Exploration
A Record of Five Dynasties Paintings
A Record of Gardens of Southern Yangtze River Delta
A Record of Guangdong Painters Through the Ages
A Record of Kunju Opera
A Record of Lacquerware Craft
A Record of Notes of the New Moon Chamber
A Record of Painters in the Qing Dynasty
A Record of Painting for Reference
A Record of Paintings from the Lotus Boat Studio on Lake Taihu
A Record of Painting Techniques
A Record of Painting Yuntai Mountain
A Record of Poetic and Prose Inscriptions on Calligraphies, Paintings and Rubbings
a record of portrait painting
A Record of Reconnaissance in the Yangtze River Crossing Campaign
A Record of Runzhou’s Painting Circles
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