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US2014369061A1
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Monotrack-movable lighting system having a lifting zone for maintenance
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Emergency moving lighting system of led.
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Auto -lifting transmission system using visible light communication for information offer
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Auto -lifting receiving system using visible light communication for information offer
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Track moving receiving system using visible light communication for information offer
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Track moving transmission system using visible light communication for information offer
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Led lighting fixture that contain a complex lens system
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Led light fixture
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Lighting system in wide area
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Track moving lighting system
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Auto-controll apparatus of light supporting assembly
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