Ue and advertisement service server for bidirectional personalized advertisement, and bidirectional personalized advertisement method
OwnerIl-kyun Park, Kyung-hun Kim +5inventors
InventorsIl-kyun Park, Kyung-hun Kim, Jai-sang Koh, Byung-tak Lee, Seung-hun Oh, Nac-woo Kim, Hong-yeon Yu
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