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User device for displaying pseudo button
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Method for production of audio contents, player for audio contents and method for play using the same
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System for self oiling and method for oiling using the same
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Rfid-based fuel charge payment system and payment method using the same
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System for charging an oiling cost using rfid and method for charging thereof
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The system which provides a used car information and method for information provision used the same
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System for payment using the rfid tag which attaches in the advertisement print
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Custom-designed rfid tag
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