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KR20040044814A
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Apparatus for studying language
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KR20030077323A
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controller for language sturdy
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KR20030035727A
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Sound terminal station
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KR20030026795A
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telephone for communcating the character
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KR20020044252A
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Communication system for checking health
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KR20020017443A
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cordless phone and hearing system for the sound signal transmitted from a computer
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KR20020016997A
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A computer eontrol system withim a base station carol for radio telephone
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KR20020014520A
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A remote control telephone for internet audio system using a personal computer
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KR20020013984A
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A Telephone system using a speech recognition in a personal computer system, and a base telephone set therefor
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KR20010091272A
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A Telephone linked With the Internet Phone
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EP0982914A2
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A telephone linked with an external audio set
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KR20000016970A
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A Telephone linked With the External Audio Set
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KR20000019392A
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Audio hearing type keyboard telephone
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