BARTER METHOD AND BARTER SYSTEM USING THE SAME
According to an embodiment of the present invention, a barter system includes: a storage unit storing prices for multiple articles; a user interface (UI) generation unit generating an image of a reward article, which is to be sold by a user, and the price thereof; and a control unit which searches t...
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Format: | Patent |
Sprache: | eng ; kor |
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