KR20020033469A
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An Internet voice assistance
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KR20020018890A
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Saving device and method through the dialing
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KR20020004751A
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The method of transmitting mail using TTS in internet
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KR20020004685A
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The advertisement method which is connected with output of information in internet display board
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KR20020000042A
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The settlement method of internet contents
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KR20010090258A
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The settlement method of Internet contents
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KR20010081200A
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Real-time text and file transfer method which makes use of the intranet and internet
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KR20010081150A
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The broadcasting method of internet advertisement
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KR20010078657A
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The voice guiding method when searching the internet
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KR20010000078A
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A information out put-method of internet billboard
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KR20010069025A
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A printing method of internet information
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KR20010069026A
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A voice guiding method when searching the internet
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