发明名称 SMALL SUM TRANSACTION SYSTEM AND METHOD THROUGH PRE-APPROVAL USING INFORMATION RECORDING MEDIUM
摘要 <p>The present invention relates to a low value transaction system using pre-approval with an information recording medium and a method thereof. According to the present invention, by recording pre-approved amount into recording medium without additional approval process, a user can carry out value settlement several times.</p>
申请公布号 WO2003098514(P1) 申请公布日期 2003.11.27
申请号 KR2003000897 申请日期 2003.05.06
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