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Refrigerator having an apparatus for thawing frozen food
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Automatic temperature controlling method in electric rice cooker
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Mercury thermometer
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Keyphone & interior wiring redialing phone number transmission method
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Checker for soldering
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Apparatus and method for transmission and receiving telephone signal using an audio-video system
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Temperature control system & method of a vehicle
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Air-conditioning method & air-con system of a vehicle
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Battery charger for vcr
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English/hangul tranceducer device
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