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KR101294210B1
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Light-emitting diode light unit for adjust to light distribution
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KR101224894B1
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A led lighting
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KR101249386B1
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A led light with ac/dc convertor
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KR101133579B1
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A led lamp which type of bulb and waterproofing
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KR101125047B1
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A device for lighting with led and sound facilities
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KR100996912B1
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A lighting for light emittig diode with multi-color
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KR100996913B1
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A stage lighting using light emittig diode
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KR101031509B1
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A integration monitoring system for abnormal car and removal body in a residential area
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KR101001683B1
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An automatic control system for sound of cluster speaker
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KR100934712B1
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Multi-directional cctv system being capable of rotation and revolution
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KR100923577B1
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Broadcasting system using a power line
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