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Electroni settlement using the mobile
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Illegal download defensive method of the participating stores information recorded in a credit card terminal
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Point of sale terminal for consumer's credit file spill prevention
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Participating stores subscription vicarious execution system using a communications network
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Dangerous perception guidance system of the member's store using the value-added network
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Issue method for cash receipt without bill using a mobile phone
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Approval system of product for door-to-door sales using a portable terminal
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Short message service method by credit card member shop and network system for the same
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Economic indicator calculation system and the method through analysis of member shop sale trend
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Credit card payment sign-on system using card type recorded media included certificate and application method of the system
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Potable credit card authorization terminal and sale management method using thereof
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Credit-card payment method without sales slip
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Issuance and registration method of membership card and the system for thereof
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