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KR20150000981A
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Pet feeder with internet connection feature
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KR20140147946A
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Pet feeder with internet connection feature
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Id recognition method and device using bluetooth feature in smart phone
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KR20080091661A
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Audio output device
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Wireless hands-free apparatus and operation control method thereof
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KR20070119298A
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Hands free apparatus for vehicle and method for providing addition service by means of the same
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KR20070105732A
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Control apparatus for local area wireless communication, method thereof, and providing the service by means of the same
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KR20060100861A
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Wireless ear-phone and portable terminal using it
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A made to order-type audio playing machine
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Remote Basestation Management System with Interference Tracing Feature
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KR20000072786A
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Local Positioning System.
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KR20000072753A
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An intelligent toy with Wireless Local Communications.
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Interference Source Trace System.
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The caller ID display device with integral computer interface function.
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