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LED (Light Emitting Diode) planar light source
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Marking lamp
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Fluorescent powder planar coating device and method
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Reflector and flood lamp using same
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Polymeric material containing anthracene and pyrrole-pyrrole-dione unit, preparation method thereof and application thereof
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Rare earth luminescent material and its preparation method
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Perylene tetracarboxylic diimide copolymer containing dithiophen-pyrrole unit and preparation method and application thereof
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Reflector and floodlight using same
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Thiophene-quinoxaline unit containing fluorene copolymer as well as preparation method and application thereof
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Thienothiophene quinoid organic photoelectric material as well as preparation method and application thereof
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Lamp with deep cavity structure
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Triphenylamine unit porphyrin copolymer as well as preparation method and application thereof
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Copolymers containing fluorene, anthracene and diazosulfide units, preparation method thereof, and application thereof
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